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Finding the Fourth Proportional to 65,743.70, 98,639.85 and 26,329.10

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Solution

The fourth proportional to 65,743.70, 98,639.85 and 26,329.10 is: 39,503.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,743.70 : 98,639.85 = 26,329.10 : x
  2. Step 2: Convert to fraction form
    65,743.70/98,639.85 = 26,329.10/x
  3. Step 3: Cross multiply
    65,743.70x = 98,639.85 × 26,329.10
  4. Step 4: Simplify right side
    65,743.70x = 2,597,098,474.64
  5. Step 5: Solve for x
    x = 2,597,098,474.64/65,743.70
  6. Step 6: Final answer
    x = 39,503.38

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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.