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Finding the Fourth Proportional to 15,129.52, 22,696.71 and 6,366.94

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Solution

The fourth proportional to 15,129.52, 22,696.71 and 6,366.94 is: 9,551.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,129.52 : 22,696.71 = 6,366.94 : x
  2. Step 2: Convert to fraction form
    15,129.52/22,696.71 = 6,366.94/x
  3. Step 3: Cross multiply
    15,129.52x = 22,696.71 × 6,366.94
  4. Step 4: Simplify right side
    15,129.52x = 144,508,590.77
  5. Step 5: Solve for x
    x = 144,508,590.77/15,129.52
  6. Step 6: Final answer
    x = 9,551.43

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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.