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Finding the Fourth Proportional to 23,411.62, 35,101.02 and 8,618.62

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Solution

The fourth proportional to 23,411.62, 35,101.02 and 8,618.62 is: 12,921.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,411.62 : 35,101.02 = 8,618.62 : x
  2. Step 2: Convert to fraction form
    23,411.62/35,101.02 = 8,618.62/x
  3. Step 3: Cross multiply
    23,411.62x = 35,101.02 × 8,618.62
  4. Step 4: Simplify right side
    23,411.62x = 302,522,177.49
  5. Step 5: Solve for x
    x = 302,522,177.49/23,411.62
  6. Step 6: Final answer
    x = 12,921.88

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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.