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Finding the Fourth Proportional to 15,305.13, 22,958.06 and 4,916.97

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Solution

The fourth proportional to 15,305.13, 22,958.06 and 4,916.97 is: 7,375.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,305.13 : 22,958.06 = 4,916.97 : x
  2. Step 2: Convert to fraction form
    15,305.13/22,958.06 = 4,916.97/x
  3. Step 3: Cross multiply
    15,305.13x = 22,958.06 × 4,916.97
  4. Step 4: Simplify right side
    15,305.13x = 112,884,067.69
  5. Step 5: Solve for x
    x = 112,884,067.69/15,305.13
  6. Step 6: Final answer
    x = 7,375.57

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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.