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Finding the Fourth Proportional to 62,979.84, 94,468.19 and 25,529.90

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Solution

The fourth proportional to 62,979.84, 94,468.19 and 25,529.90 is: 38,294.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,979.84 : 94,468.19 = 25,529.90 : x
  2. Step 2: Convert to fraction form
    62,979.84/94,468.19 = 25,529.90/x
  3. Step 3: Cross multiply
    62,979.84x = 94,468.19 × 25,529.90
  4. Step 4: Simplify right side
    62,979.84x = 2,411,762,843.89
  5. Step 5: Solve for x
    x = 2,411,762,843.89/62,979.84
  6. Step 6: Final answer
    x = 38,294.20

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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.