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Finding the Fourth Proportional to 22,913.88, 34,376.52 and 7,331.52

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Solution

The fourth proportional to 22,913.88, 34,376.52 and 7,331.52 is: 10,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,913.88 : 34,376.52 = 7,331.52 : x
  2. Step 2: Convert to fraction form
    22,913.88/34,376.52 = 7,331.52/x
  3. Step 3: Cross multiply
    22,913.88x = 34,376.52 × 7,331.52
  4. Step 4: Simplify right side
    22,913.88x = 252,032,143.91
  5. Step 5: Solve for x
    x = 252,032,143.91/22,913.88
  6. Step 6: Final answer
    x = 10,999.10

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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.