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Finding the Fourth Proportional to 47,756.87, 65,905.08 and 26,248.97

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Solution

The fourth proportional to 47,756.87, 65,905.08 and 26,248.97 is: 36,223.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,756.87 : 65,905.08 = 26,248.97 : x
  2. Step 2: Convert to fraction form
    47,756.87/65,905.08 = 26,248.97/x
  3. Step 3: Cross multiply
    47,756.87x = 65,905.08 × 26,248.97
  4. Step 4: Simplify right side
    47,756.87x = 1,729,940,138.24
  5. Step 5: Solve for x
    x = 1,729,940,138.24/47,756.87
  6. Step 6: Final answer
    x = 36,223.90

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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.