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Finding the Fourth Proportional to 62,742.84, 94,104.54 and 18,359.16

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Solution

The fourth proportional to 62,742.84, 94,104.54 and 18,359.16 is: 27,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,742.84 : 94,104.54 = 18,359.16 : x
  2. Step 2: Convert to fraction form
    62,742.84/94,104.54 = 18,359.16/x
  3. Step 3: Cross multiply
    62,742.84x = 94,104.54 × 18,359.16
  4. Step 4: Simplify right side
    62,742.84x = 1,727,680,306.59
  5. Step 5: Solve for x
    x = 1,727,680,306.59/62,742.84
  6. Step 6: Final answer
    x = 27,535.90

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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.