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Finding the Fourth Proportional to 60,557.60, 90,836.40 and 38,468.90

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Solution

The fourth proportional to 60,557.60, 90,836.40 and 38,468.90 is: 57,703.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,557.60 : 90,836.40 = 38,468.90 : x
  2. Step 2: Convert to fraction form
    60,557.60/90,836.40 = 38,468.90/x
  3. Step 3: Cross multiply
    60,557.60x = 90,836.40 × 38,468.90
  4. Step 4: Simplify right side
    60,557.60x = 3,494,376,387.96
  5. Step 5: Solve for x
    x = 3,494,376,387.96/60,557.60
  6. Step 6: Final answer
    x = 57,703.35

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1.5x scale

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.