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Finding the Fourth Proportional to 71,681.91, 107,499.88 and 23,639.73

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Solution

The fourth proportional to 71,681.91, 107,499.88 and 23,639.73 is: 35,452.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,681.91 : 107,499.88 = 23,639.73 : x
  2. Step 2: Convert to fraction form
    71,681.91/107,499.88 = 23,639.73/x
  3. Step 3: Cross multiply
    71,681.91x = 107,499.88 × 23,639.73
  4. Step 4: Simplify right side
    71,681.91x = 2,541,268,167.78
  5. Step 5: Solve for x
    x = 2,541,268,167.78/71,681.91
  6. Step 6: Final answer
    x = 35,452.02

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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.