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Finding the Fourth Proportional to 15,100.65, 22,640.03 and 7,608.82

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Solution

The fourth proportional to 15,100.65, 22,640.03 and 7,608.82 is: 11,407.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,100.65 : 22,640.03 = 7,608.82 : x
  2. Step 2: Convert to fraction form
    15,100.65/22,640.03 = 7,608.82/x
  3. Step 3: Cross multiply
    15,100.65x = 22,640.03 × 7,608.82
  4. Step 4: Simplify right side
    15,100.65x = 172,263,913.06
  5. Step 5: Solve for x
    x = 172,263,913.06/15,100.65
  6. Step 6: Final answer
    x = 11,407.72

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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.