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Finding the Fourth Proportional to 62,679.62, 93,931.02 and 34,612.31

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Solution

The fourth proportional to 62,679.62, 93,931.02 and 34,612.31 is: 51,869.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,679.62 : 93,931.02 = 34,612.31 : x
  2. Step 2: Convert to fraction form
    62,679.62/93,931.02 = 34,612.31/x
  3. Step 3: Cross multiply
    62,679.62x = 93,931.02 × 34,612.31
  4. Step 4: Simplify right side
    62,679.62x = 3,251,169,113.20
  5. Step 5: Solve for x
    x = 3,251,169,113.20/62,679.62
  6. Step 6: Final answer
    x = 51,869.64

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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.