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Finding the Fourth Proportional to 69,171.04, 95,455.02 and 38,956.42

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Solution

The fourth proportional to 69,171.04, 95,455.02 and 38,956.42 is: 53,759.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,171.04 : 95,455.02 = 38,956.42 : x
  2. Step 2: Convert to fraction form
    69,171.04/95,455.02 = 38,956.42/x
  3. Step 3: Cross multiply
    69,171.04x = 95,455.02 × 38,956.42
  4. Step 4: Simplify right side
    69,171.04x = 3,718,585,850.23
  5. Step 5: Solve for x
    x = 3,718,585,850.23/69,171.04
  6. Step 6: Final answer
    x = 53,759.29

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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.