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Finding the Fourth Proportional to 48,402.90, 72,613.53 and 16,811.73

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Solution

The fourth proportional to 48,402.90, 72,613.53 and 16,811.73 is: 25,220.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,402.90 : 72,613.53 = 16,811.73 : x
  2. Step 2: Convert to fraction form
    48,402.90/72,613.53 = 16,811.73/x
  3. Step 3: Cross multiply
    48,402.90x = 72,613.53 × 16,811.73
  4. Step 4: Simplify right side
    48,402.90x = 1,220,759,060.71
  5. Step 5: Solve for x
    x = 1,220,759,060.71/48,402.90
  6. Step 6: Final answer
    x = 25,220.78

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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.