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Finding the Fourth Proportional to 64,847.43, 97,314.90 and 25,399.62

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Solution

The fourth proportional to 64,847.43, 97,314.90 and 25,399.62 is: 38,116.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,847.43 : 97,314.90 = 25,399.62 : x
  2. Step 2: Convert to fraction form
    64,847.43/97,314.90 = 25,399.62/x
  3. Step 3: Cross multiply
    64,847.43x = 97,314.90 × 25,399.62
  4. Step 4: Simplify right side
    64,847.43x = 2,471,761,480.34
  5. Step 5: Solve for x
    x = 2,471,761,480.34/64,847.43
  6. Step 6: Final answer
    x = 38,116.57

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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.