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Finding the Fourth Proportional to 63,606.57, 95,420.85 and 21,486.96

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Solution

The fourth proportional to 63,606.57, 95,420.85 and 21,486.96 is: 32,234.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,606.57 : 95,420.85 = 21,486.96 : x
  2. Step 2: Convert to fraction form
    63,606.57/95,420.85 = 21,486.96/x
  3. Step 3: Cross multiply
    63,606.57x = 95,420.85 × 21,486.96
  4. Step 4: Simplify right side
    63,606.57x = 2,050,303,987.12
  5. Step 5: Solve for x
    x = 2,050,303,987.12/63,606.57
  6. Step 6: Final answer
    x = 32,234.15

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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.