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Finding the Fourth Proportional to 66,337.92, 99,545.76 and 47,597.76

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Solution

The fourth proportional to 66,337.92, 99,545.76 and 47,597.76 is: 71,424.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,337.92 : 99,545.76 = 47,597.76 : x
  2. Step 2: Convert to fraction form
    66,337.92/99,545.76 = 47,597.76/x
  3. Step 3: Cross multiply
    66,337.92x = 99,545.76 × 47,597.76
  4. Step 4: Simplify right side
    66,337.92x = 4,738,155,193.50
  5. Step 5: Solve for x
    x = 4,738,155,193.50/66,337.92
  6. Step 6: Final answer
    x = 71,424.54

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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.