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Finding the Fourth Proportional to 62,679.80, 93,931.30 and 34,612.49

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Solution

The fourth proportional to 62,679.80, 93,931.30 and 34,612.49 is: 51,869.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,679.80 : 93,931.30 = 34,612.49 : x
  2. Step 2: Convert to fraction form
    62,679.80/93,931.30 = 34,612.49/x
  3. Step 3: Cross multiply
    62,679.80x = 93,931.30 × 34,612.49
  4. Step 4: Simplify right side
    62,679.80x = 3,251,196,330.23
  5. Step 5: Solve for x
    x = 3,251,196,330.23/62,679.80
  6. Step 6: Final answer
    x = 51,869.92

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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.