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Finding the Fourth Proportional to 63,130.80, 94,711.02 and 18,757.92

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Solution

The fourth proportional to 63,130.80, 94,711.02 and 18,757.92 is: 28,141.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,130.80 : 94,711.02 = 18,757.92 : x
  2. Step 2: Convert to fraction form
    63,130.80/94,711.02 = 18,757.92/x
  3. Step 3: Cross multiply
    63,130.80x = 94,711.02 × 18,757.92
  4. Step 4: Simplify right side
    63,130.80x = 1,776,581,736.28
  5. Step 5: Solve for x
    x = 1,776,581,736.28/63,130.80
  6. Step 6: Final answer
    x = 28,141.28

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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.