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Finding the Fourth Proportional to 63,606.48, 95,420.70 and 21,486.86

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Solution

The fourth proportional to 63,606.48, 95,420.70 and 21,486.86 is: 32,234.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,606.48 : 95,420.70 = 21,486.86 : x
  2. Step 2: Convert to fraction form
    63,606.48/95,420.70 = 21,486.86/x
  3. Step 3: Cross multiply
    63,606.48x = 95,420.70 × 21,486.86
  4. Step 4: Simplify right side
    63,606.48x = 2,050,291,102.73
  5. Step 5: Solve for x
    x = 2,050,291,102.73/63,606.48
  6. Step 6: Final answer
    x = 32,234.00

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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.