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Finding the Fourth Proportional to 60,148.92, 82,992.40 and 38,353.44

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Solution

The fourth proportional to 60,148.92, 82,992.40 and 38,353.44 is: 52,919.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,148.92 : 82,992.40 = 38,353.44 : x
  2. Step 2: Convert to fraction form
    60,148.92/82,992.40 = 38,353.44/x
  3. Step 3: Cross multiply
    60,148.92x = 82,992.40 × 38,353.44
  4. Step 4: Simplify right side
    60,148.92x = 3,183,044,033.86
  5. Step 5: Solve for x
    x = 3,183,044,033.86/60,148.92
  6. Step 6: Final answer
    x = 52,919.39

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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.