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Finding the Fourth Proportional to 41,658, 62,449.92 and 15,356.40

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Solution

The fourth proportional to 41,658, 62,449.92 and 15,356.40 is: 23,020.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,658 : 62,449.92 = 15,356.40 : x
  2. Step 2: Convert to fraction form
    41,658/62,449.92 = 15,356.40/x
  3. Step 3: Cross multiply
    41,658x = 62,449.92 × 15,356.40
  4. Step 4: Simplify right side
    41,658x = 959,005,951.49
  5. Step 5: Solve for x
    x = 959,005,951.49/41,658
  6. Step 6: Final answer
    x = 23,020.93

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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.