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Finding the Fourth Proportional to 17,040.54, 25,560.96 and 5,947.20

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Solution

The fourth proportional to 17,040.54, 25,560.96 and 5,947.20 is: 8,920.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,040.54 : 25,560.96 = 5,947.20 : x
  2. Step 2: Convert to fraction form
    17,040.54/25,560.96 = 5,947.20/x
  3. Step 3: Cross multiply
    17,040.54x = 25,560.96 × 5,947.20
  4. Step 4: Simplify right side
    17,040.54x = 152,016,141.31
  5. Step 5: Solve for x
    x = 152,016,141.31/17,040.54
  6. Step 6: Final answer
    x = 8,920.85

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1.5x scale

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.