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Finding the Fourth Proportional to 60,691.11, 90,916.52 and 28,626.27

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Solution

The fourth proportional to 60,691.11, 90,916.52 and 28,626.27 is: 42,882.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,691.11 : 90,916.52 = 28,626.27 : x
  2. Step 2: Convert to fraction form
    60,691.11/90,916.52 = 28,626.27/x
  3. Step 3: Cross multiply
    60,691.11x = 90,916.52 × 28,626.27
  4. Step 4: Simplify right side
    60,691.11x = 2,602,600,705.85
  5. Step 5: Solve for x
    x = 2,602,600,705.85/60,691.11
  6. Step 6: Final answer
    x = 42,882.73

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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.