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Finding the Fourth Proportional to 61,248.74, 84,522.62 and 34,390.62

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Solution

The fourth proportional to 61,248.74, 84,522.62 and 34,390.62 is: 47,458.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,248.74 : 84,522.62 = 34,390.62 : x
  2. Step 2: Convert to fraction form
    61,248.74/84,522.62 = 34,390.62/x
  3. Step 3: Cross multiply
    61,248.74x = 84,522.62 × 34,390.62
  4. Step 4: Simplify right side
    61,248.74x = 2,906,785,133.87
  5. Step 5: Solve for x
    x = 2,906,785,133.87/61,248.74
  6. Step 6: Final answer
    x = 47,458.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.