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Finding the Fourth Proportional to 69,444.76, 95,826.92 and 38,812.20

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Solution

The fourth proportional to 69,444.76, 95,826.92 and 38,812.20 is: 53,557.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,444.76 : 95,826.92 = 38,812.20 : x
  2. Step 2: Convert to fraction form
    69,444.76/95,826.92 = 38,812.20/x
  3. Step 3: Cross multiply
    69,444.76x = 95,826.92 × 38,812.20
  4. Step 4: Simplify right side
    69,444.76x = 3,719,253,584.42
  5. Step 5: Solve for x
    x = 3,719,253,584.42/69,444.76
  6. Step 6: Final answer
    x = 53,557.01

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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.