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Finding the Fourth Proportional to 63,971.97, 88,281.46 and 35,679.48

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Solution

The fourth proportional to 63,971.97, 88,281.46 and 35,679.48 is: 49,237.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,971.97 : 88,281.46 = 35,679.48 : x
  2. Step 2: Convert to fraction form
    63,971.97/88,281.46 = 35,679.48/x
  3. Step 3: Cross multiply
    63,971.97x = 88,281.46 × 35,679.48
  4. Step 4: Simplify right side
    63,971.97x = 3,149,836,586.44
  5. Step 5: Solve for x
    x = 3,149,836,586.44/63,971.97
  6. Step 6: Final answer
    x = 49,237.76

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1.5x scale

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.