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Finding the Fourth Proportional to 62,463.68, 93,702.08 and 20,347.04

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Solution

The fourth proportional to 62,463.68, 93,702.08 and 20,347.04 is: 30,522.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,463.68 : 93,702.08 = 20,347.04 : x
  2. Step 2: Convert to fraction form
    62,463.68/93,702.08 = 20,347.04/x
  3. Step 3: Cross multiply
    62,463.68x = 93,702.08 × 20,347.04
  4. Step 4: Simplify right side
    62,463.68x = 1,906,559,969.84
  5. Step 5: Solve for x
    x = 1,906,559,969.84/62,463.68
  6. Step 6: Final answer
    x = 30,522.70

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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.