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Finding the Fourth Proportional to 63,503.66, 95,256.84 and 21,385.01

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Solution

The fourth proportional to 63,503.66, 95,256.84 and 21,385.01 is: 32,077.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,503.66 : 95,256.84 = 21,385.01 : x
  2. Step 2: Convert to fraction form
    63,503.66/95,256.84 = 21,385.01/x
  3. Step 3: Cross multiply
    63,503.66x = 95,256.84 × 21,385.01
  4. Step 4: Simplify right side
    63,503.66x = 2,037,067,999.68
  5. Step 5: Solve for x
    x = 2,037,067,999.68/63,503.66
  6. Step 6: Final answer
    x = 32,077.96

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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.