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Finding the Fourth Proportional to 8,762.62, 13,141.96 and 2,521.24

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Solution

The fourth proportional to 8,762.62, 13,141.96 and 2,521.24 is: 3,781.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,762.62 : 13,141.96 = 2,521.24 : x
  2. Step 2: Convert to fraction form
    8,762.62/13,141.96 = 2,521.24/x
  3. Step 3: Cross multiply
    8,762.62x = 13,141.96 × 2,521.24
  4. Step 4: Simplify right side
    8,762.62x = 33,134,002.38
  5. Step 5: Solve for x
    x = 33,134,002.38/8,762.62
  6. Step 6: Final answer
    x = 3,781.29

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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.