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Finding the Fourth Proportional to 5,432,991.30, 8,149,486.95 and 5,432,991.30

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Solution

The fourth proportional to 5,432,991.30, 8,149,486.95 and 5,432,991.30 is: 8,149,486.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432,991.30 : 8,149,486.95 = 5,432,991.30 : x
  2. Step 2: Convert to fraction form
    5,432,991.30/8,149,486.95 = 5,432,991.30/x
  3. Step 3: Cross multiply
    5,432,991.30x = 8,149,486.95 × 5,432,991.30
  4. Step 4: Simplify right side
    5,432,991.30x = 44,276,091,698,813.53
  5. Step 5: Solve for x
    x = 44,276,091,698,813.53/5,432,991.30
  6. Step 6: Final answer
    x = 8,149,486.95

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Double scale
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Similar ratio
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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.