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Finding the Fourth Proportional to 63,509.82, 95,230.65 and 21,375.91

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Solution

The fourth proportional to 63,509.82, 95,230.65 and 21,375.91 is: 32,052.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,509.82 : 95,230.65 = 21,375.91 : x
  2. Step 2: Convert to fraction form
    63,509.82/95,230.65 = 21,375.91/x
  3. Step 3: Cross multiply
    63,509.82x = 95,230.65 × 21,375.91
  4. Step 4: Simplify right side
    63,509.82x = 2,035,641,803.64
  5. Step 5: Solve for x
    x = 2,035,641,803.64/63,509.82
  6. Step 6: Final answer
    x = 32,052.39

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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.