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Finding the Fourth Proportional to 22,988.56, 34,479.96 and 8,193.52

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Solution

The fourth proportional to 22,988.56, 34,479.96 and 8,193.52 is: 12,289.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,988.56 : 34,479.96 = 8,193.52 : x
  2. Step 2: Convert to fraction form
    22,988.56/34,479.96 = 8,193.52/x
  3. Step 3: Cross multiply
    22,988.56x = 34,479.96 × 8,193.52
  4. Step 4: Simplify right side
    22,988.56x = 282,512,241.86
  5. Step 5: Solve for x
    x = 282,512,241.86/22,988.56
  6. Step 6: Final answer
    x = 12,289.25

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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.