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Finding the Fourth Proportional to 15,121.08, 22,684.92 and 6,351

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Solution

The fourth proportional to 15,121.08, 22,684.92 and 6,351 is: 9,527.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,121.08 : 22,684.92 = 6,351 : x
  2. Step 2: Convert to fraction form
    15,121.08/22,684.92 = 6,351/x
  3. Step 3: Cross multiply
    15,121.08x = 22,684.92 × 6,351
  4. Step 4: Simplify right side
    15,121.08x = 144,071,926.92
  5. Step 5: Solve for x
    x = 144,071,926.92/15,121.08
  6. Step 6: Final answer
    x = 9,527.89

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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.