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Finding the Fourth Proportional to 22,425.57, 33,644.42 and 8,387.02

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Solution

The fourth proportional to 22,425.57, 33,644.42 and 8,387.02 is: 12,582.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,425.57 : 33,644.42 = 8,387.02 : x
  2. Step 2: Convert to fraction form
    22,425.57/33,644.42 = 8,387.02/x
  3. Step 3: Cross multiply
    22,425.57x = 33,644.42 × 8,387.02
  4. Step 4: Simplify right side
    22,425.57x = 282,176,444.40
  5. Step 5: Solve for x
    x = 282,176,444.40/22,425.57
  6. Step 6: Final answer
    x = 12,582.80

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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.