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Finding the Fourth Proportional to 69,375.68, 95,737.92 and 54,283.76

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Solution

The fourth proportional to 69,375.68, 95,737.92 and 54,283.76 is: 74,911.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,375.68 : 95,737.92 = 54,283.76 : x
  2. Step 2: Convert to fraction form
    69,375.68/95,737.92 = 54,283.76/x
  3. Step 3: Cross multiply
    69,375.68x = 95,737.92 × 54,283.76
  4. Step 4: Simplify right side
    69,375.68x = 5,197,014,272.18
  5. Step 5: Solve for x
    x = 5,197,014,272.18/69,375.68
  6. Step 6: Final answer
    x = 74,911.18

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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.