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Finding the Fourth Proportional to 16,294.61, 22,487.03 and 9,220.88

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Solution

The fourth proportional to 16,294.61, 22,487.03 and 9,220.88 is: 12,725.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,294.61 : 22,487.03 = 9,220.88 : x
  2. Step 2: Convert to fraction form
    16,294.61/22,487.03 = 9,220.88/x
  3. Step 3: Cross multiply
    16,294.61x = 22,487.03 × 9,220.88
  4. Step 4: Simplify right side
    16,294.61x = 207,350,205.19
  5. Step 5: Solve for x
    x = 207,350,205.19/16,294.61
  6. Step 6: Final answer
    x = 12,725.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.