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Finding the Fourth Proportional to 22,657.32, 34,001.10 and 8,630.28

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Solution

The fourth proportional to 22,657.32, 34,001.10 and 8,630.28 is: 12,951.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,657.32 : 34,001.10 = 8,630.28 : x
  2. Step 2: Convert to fraction form
    22,657.32/34,001.10 = 8,630.28/x
  3. Step 3: Cross multiply
    22,657.32x = 34,001.10 × 8,630.28
  4. Step 4: Simplify right side
    22,657.32x = 293,439,013.31
  5. Step 5: Solve for x
    x = 293,439,013.31/22,657.32
  6. Step 6: Final answer
    x = 12,951.18

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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.