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Finding the Fourth Proportional to 7,695.69, 11,544.18 and 2,429.29

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Solution

The fourth proportional to 7,695.69, 11,544.18 and 2,429.29 is: 3,644.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,695.69 : 11,544.18 = 2,429.29 : x
  2. Step 2: Convert to fraction form
    7,695.69/11,544.18 = 2,429.29/x
  3. Step 3: Cross multiply
    7,695.69x = 11,544.18 × 2,429.29
  4. Step 4: Simplify right side
    7,695.69x = 28,044,142.42
  5. Step 5: Solve for x
    x = 28,044,142.42/7,695.69
  6. Step 6: Final answer
    x = 3,644.14

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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.