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Finding the Fourth Proportional to 62,403.28, 93,669.72 and 36,159.28

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Solution

The fourth proportional to 62,403.28, 93,669.72 and 36,159.28 is: 54,276.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,403.28 : 93,669.72 = 36,159.28 : x
  2. Step 2: Convert to fraction form
    62,403.28/93,669.72 = 36,159.28/x
  3. Step 3: Cross multiply
    62,403.28x = 93,669.72 × 36,159.28
  4. Step 4: Simplify right side
    62,403.28x = 3,387,029,633.00
  5. Step 5: Solve for x
    x = 3,387,029,633.00/62,403.28
  6. Step 6: Final answer
    x = 54,276.47

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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.