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Finding the Fourth Proportional to 48,947.40, 73,510.20 and 29,264.40

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Solution

The fourth proportional to 48,947.40, 73,510.20 and 29,264.40 is: 43,949.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,947.40 : 73,510.20 = 29,264.40 : x
  2. Step 2: Convert to fraction form
    48,947.40/73,510.20 = 29,264.40/x
  3. Step 3: Cross multiply
    48,947.40x = 73,510.20 × 29,264.40
  4. Step 4: Simplify right side
    48,947.40x = 2,151,231,896.88
  5. Step 5: Solve for x
    x = 2,151,231,896.88/48,947.40
  6. Step 6: Final answer
    x = 43,949.87

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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.