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Finding the Fourth Proportional to 71,516.95, 107,290.18 and 23,489.18

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Solution

The fourth proportional to 71,516.95, 107,290.18 and 23,489.18 is: 35,238.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,516.95 : 107,290.18 = 23,489.18 : x
  2. Step 2: Convert to fraction form
    71,516.95/107,290.18 = 23,489.18/x
  3. Step 3: Cross multiply
    71,516.95x = 107,290.18 × 23,489.18
  4. Step 4: Simplify right side
    71,516.95x = 2,520,158,350.25
  5. Step 5: Solve for x
    x = 2,520,158,350.25/71,516.95
  6. Step 6: Final answer
    x = 35,238.62

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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.