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Finding the Fourth Proportional to 22,432.55, 33,649.73 and 8,391.14

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Solution

The fourth proportional to 22,432.55, 33,649.73 and 8,391.14 is: 12,587.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,432.55 : 33,649.73 = 8,391.14 : x
  2. Step 2: Convert to fraction form
    22,432.55/33,649.73 = 8,391.14/x
  3. Step 3: Cross multiply
    22,432.55x = 33,649.73 × 8,391.14
  4. Step 4: Simplify right side
    22,432.55x = 282,359,595.39
  5. Step 5: Solve for x
    x = 282,359,595.39/22,432.55
  6. Step 6: Final answer
    x = 12,587.05

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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.