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Finding the Fourth Proportional to 23,489.60, 35,224.67 and 8,689.88

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Solution

The fourth proportional to 23,489.60, 35,224.67 and 8,689.88 is: 13,031.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,489.60 : 35,224.67 = 8,689.88 : x
  2. Step 2: Convert to fraction form
    23,489.60/35,224.67 = 8,689.88/x
  3. Step 3: Cross multiply
    23,489.60x = 35,224.67 × 8,689.88
  4. Step 4: Simplify right side
    23,489.60x = 306,098,265.13
  5. Step 5: Solve for x
    x = 306,098,265.13/23,489.60
  6. Step 6: Final answer
    x = 13,031.23

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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.