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Finding the Fourth Proportional to 44,078, 66,117 and 41,863.28

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Solution

The fourth proportional to 44,078, 66,117 and 41,863.28 is: 62,794.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,078 : 66,117 = 41,863.28 : x
  2. Step 2: Convert to fraction form
    44,078/66,117 = 41,863.28/x
  3. Step 3: Cross multiply
    44,078x = 66,117 × 41,863.28
  4. Step 4: Simplify right side
    44,078x = 2,767,874,483.76
  5. Step 5: Solve for x
    x = 2,767,874,483.76/44,078
  6. Step 6: Final answer
    x = 62,794.92

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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.