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Finding the Fourth Proportional to 63,049.90, 86,981.28 and 41,511.86

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Solution

The fourth proportional to 63,049.90, 86,981.28 and 41,511.86 is: 57,268.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,049.90 : 86,981.28 = 41,511.86 : x
  2. Step 2: Convert to fraction form
    63,049.90/86,981.28 = 41,511.86/x
  3. Step 3: Cross multiply
    63,049.90x = 86,981.28 × 41,511.86
  4. Step 4: Simplify right side
    63,049.90x = 3,610,754,717.98
  5. Step 5: Solve for x
    x = 3,610,754,717.98/63,049.90
  6. Step 6: Final answer
    x = 57,268.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.