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Finding the Fourth Proportional to 63,471.60, 95,188.21 and 19,086.57

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Solution

The fourth proportional to 63,471.60, 95,188.21 and 19,086.57 is: 28,624.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,471.60 : 95,188.21 = 19,086.57 : x
  2. Step 2: Convert to fraction form
    63,471.60/95,188.21 = 19,086.57/x
  3. Step 3: Cross multiply
    63,471.60x = 95,188.21 × 19,086.57
  4. Step 4: Simplify right side
    63,471.60x = 1,816,816,433.34
  5. Step 5: Solve for x
    x = 1,816,816,433.34/63,471.60
  6. Step 6: Final answer
    x = 28,624.08

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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.