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Finding the Fourth Proportional to 41,954.09, 62,929.08 and 15,656.78

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Solution

The fourth proportional to 41,954.09, 62,929.08 and 15,656.78 is: 23,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,954.09 : 62,929.08 = 15,656.78 : x
  2. Step 2: Convert to fraction form
    41,954.09/62,929.08 = 15,656.78/x
  3. Step 3: Cross multiply
    41,954.09x = 62,929.08 × 15,656.78
  4. Step 4: Simplify right side
    41,954.09x = 985,266,761.16
  5. Step 5: Solve for x
    x = 985,266,761.16/41,954.09
  6. Step 6: Final answer
    x = 23,484.40

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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.