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Finding the Fourth Proportional to 63,776.66, 88,015.29 and 35,481.74

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Solution

The fourth proportional to 63,776.66, 88,015.29 and 35,481.74 is: 48,966.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,776.66 : 88,015.29 = 35,481.74 : x
  2. Step 2: Convert to fraction form
    63,776.66/88,015.29 = 35,481.74/x
  3. Step 3: Cross multiply
    63,776.66x = 88,015.29 × 35,481.74
  4. Step 4: Simplify right side
    63,776.66x = 3,122,935,635.80
  5. Step 5: Solve for x
    x = 3,122,935,635.80/63,776.66
  6. Step 6: Final answer
    x = 48,966.75

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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.