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Finding the Fourth Proportional to 62,122.68, 85,735.80 and 38,248.74

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Solution

The fourth proportional to 62,122.68, 85,735.80 and 38,248.74 is: 52,787.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,122.68 : 85,735.80 = 38,248.74 : x
  2. Step 2: Convert to fraction form
    62,122.68/85,735.80 = 38,248.74/x
  3. Step 3: Cross multiply
    62,122.68x = 85,735.80 × 38,248.74
  4. Step 4: Simplify right side
    62,122.68x = 3,279,286,322.89
  5. Step 5: Solve for x
    x = 3,279,286,322.89/62,122.68
  6. Step 6: Final answer
    x = 52,787.26

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1.5x scale

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.