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Finding the Fourth Proportional to 15,174.69, 22,762.04 and 4,787.25

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Solution

The fourth proportional to 15,174.69, 22,762.04 and 4,787.25 is: 7,180.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,174.69 : 22,762.04 = 4,787.25 : x
  2. Step 2: Convert to fraction form
    15,174.69/22,762.04 = 4,787.25/x
  3. Step 3: Cross multiply
    15,174.69x = 22,762.04 × 4,787.25
  4. Step 4: Simplify right side
    15,174.69x = 108,967,552.05
  5. Step 5: Solve for x
    x = 108,967,552.05/15,174.69
  6. Step 6: Final answer
    x = 7,180.88

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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.