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Finding the Fourth Proportional to 65,006.46, 89,708.90 and 35,198.46

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Solution

The fourth proportional to 65,006.46, 89,708.90 and 35,198.46 is: 48,573.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,006.46 : 89,708.90 = 35,198.46 : x
  2. Step 2: Convert to fraction form
    65,006.46/89,708.90 = 35,198.46/x
  3. Step 3: Cross multiply
    65,006.46x = 89,708.90 × 35,198.46
  4. Step 4: Simplify right side
    65,006.46x = 3,157,614,952.30
  5. Step 5: Solve for x
    x = 3,157,614,952.30/65,006.46
  6. Step 6: Final answer
    x = 48,573.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.