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Finding the Fourth Proportional to 84,545.42, 126,788.22 and 24,561.42

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Solution

The fourth proportional to 84,545.42, 126,788.22 and 24,561.42 is: 36,833.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,545.42 : 126,788.22 = 24,561.42 : x
  2. Step 2: Convert to fraction form
    84,545.42/126,788.22 = 24,561.42/x
  3. Step 3: Cross multiply
    84,545.42x = 126,788.22 × 24,561.42
  4. Step 4: Simplify right side
    84,545.42x = 3,114,098,768.53
  5. Step 5: Solve for x
    x = 3,114,098,768.53/84,545.42
  6. Step 6: Final answer
    x = 36,833.44

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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.