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Finding the Fourth Proportional to 6,340.56, 9,510.84 and 3,437.25

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Solution

The fourth proportional to 6,340.56, 9,510.84 and 3,437.25 is: 5,155.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,340.56 : 9,510.84 = 3,437.25 : x
  2. Step 2: Convert to fraction form
    6,340.56/9,510.84 = 3,437.25/x
  3. Step 3: Cross multiply
    6,340.56x = 9,510.84 × 3,437.25
  4. Step 4: Simplify right side
    6,340.56x = 32,691,134.79
  5. Step 5: Solve for x
    x = 32,691,134.79/6,340.56
  6. Step 6: Final answer
    x = 5,155.88

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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.