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Finding the Fourth Proportional to 63,697.26, 95,535.20 and 19,313.40

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Solution

The fourth proportional to 63,697.26, 95,535.20 and 19,313.40 is: 28,966.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,697.26 : 95,535.20 = 19,313.40 : x
  2. Step 2: Convert to fraction form
    63,697.26/95,535.20 = 19,313.40/x
  3. Step 3: Cross multiply
    63,697.26x = 95,535.20 × 19,313.40
  4. Step 4: Simplify right side
    63,697.26x = 1,845,109,531.68
  5. Step 5: Solve for x
    x = 1,845,109,531.68/63,697.26
  6. Step 6: Final answer
    x = 28,966.86

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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.