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Finding the Fourth Proportional to 8,779,059.30, 13,168,588.95 and 8,779,059.30

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Solution

The fourth proportional to 8,779,059.30, 13,168,588.95 and 8,779,059.30 is: 13,168,588.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779,059.30 : 13,168,588.95 = 8,779,059.30 : x
  2. Step 2: Convert to fraction form
    8,779,059.30/13,168,588.95 = 8,779,059.30/x
  3. Step 3: Cross multiply
    8,779,059.30x = 13,168,588.95 × 8,779,059.30
  4. Step 4: Simplify right side
    8,779,059.30x = 115,607,823,289,374.73
  5. Step 5: Solve for x
    x = 115,607,823,289,374.73/8,779,059.30
  6. Step 6: Final answer
    x = 13,168,588.95

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.