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Finding the Fourth Proportional to 22,092.52, 30,487.92 and 12,021.01

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Solution

The fourth proportional to 22,092.52, 30,487.92 and 12,021.01 is: 16,589.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,092.52 : 30,487.92 = 12,021.01 : x
  2. Step 2: Convert to fraction form
    22,092.52/30,487.92 = 12,021.01/x
  3. Step 3: Cross multiply
    22,092.52x = 30,487.92 × 12,021.01
  4. Step 4: Simplify right side
    22,092.52x = 366,495,591.20
  5. Step 5: Solve for x
    x = 366,495,591.20/22,092.52
  6. Step 6: Final answer
    x = 16,589.13

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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.