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Finding the Fourth Proportional to 14,773.77, 20,387.86 and 8,059.54

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Solution

The fourth proportional to 14,773.77, 20,387.86 and 8,059.54 is: 11,122.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,773.77 : 20,387.86 = 8,059.54 : x
  2. Step 2: Convert to fraction form
    14,773.77/20,387.86 = 8,059.54/x
  3. Step 3: Cross multiply
    14,773.77x = 20,387.86 × 8,059.54
  4. Step 4: Simplify right side
    14,773.77x = 164,316,778.52
  5. Step 5: Solve for x
    x = 164,316,778.52/14,773.77
  6. Step 6: Final answer
    x = 11,122.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.