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Finding the Fourth Proportional to 15,253.82, 22,881.13 and 4,865.57

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Solution

The fourth proportional to 15,253.82, 22,881.13 and 4,865.57 is: 7,298.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,253.82 : 22,881.13 = 4,865.57 : x
  2. Step 2: Convert to fraction form
    15,253.82/22,881.13 = 4,865.57/x
  3. Step 3: Cross multiply
    15,253.82x = 22,881.13 × 4,865.57
  4. Step 4: Simplify right side
    15,253.82x = 111,329,600.96
  5. Step 5: Solve for x
    x = 111,329,600.96/15,253.82
  6. Step 6: Final answer
    x = 7,298.48

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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.