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Finding the Fourth Proportional to 22,929.38, 34,386.87 and 8,888.42

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Solution

The fourth proportional to 22,929.38, 34,386.87 and 8,888.42 is: 13,329.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,929.38 : 34,386.87 = 8,888.42 : x
  2. Step 2: Convert to fraction form
    22,929.38/34,386.87 = 8,888.42/x
  3. Step 3: Cross multiply
    22,929.38x = 34,386.87 × 8,888.42
  4. Step 4: Simplify right side
    22,929.38x = 305,644,943.05
  5. Step 5: Solve for x
    x = 305,644,943.05/22,929.38
  6. Step 6: Final answer
    x = 13,329.84

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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.