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Finding the Fourth Proportional to 63,221.64, 87,247.98 and 34,928.88

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Solution

The fourth proportional to 63,221.64, 87,247.98 and 34,928.88 is: 48,203.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,221.64 : 87,247.98 = 34,928.88 : x
  2. Step 2: Convert to fraction form
    63,221.64/87,247.98 = 34,928.88/x
  3. Step 3: Cross multiply
    63,221.64x = 87,247.98 × 34,928.88
  4. Step 4: Simplify right side
    63,221.64x = 3,047,474,223.66
  5. Step 5: Solve for x
    x = 3,047,474,223.66/63,221.64
  6. Step 6: Final answer
    x = 48,203.02

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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.