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Finding the Fourth Proportional to 4,507.26, 6,724.70 and 4,040.70

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Solution

The fourth proportional to 4,507.26, 6,724.70 and 4,040.70 is: 6,028.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,507.26 : 6,724.70 = 4,040.70 : x
  2. Step 2: Convert to fraction form
    4,507.26/6,724.70 = 4,040.70/x
  3. Step 3: Cross multiply
    4,507.26x = 6,724.70 × 4,040.70
  4. Step 4: Simplify right side
    4,507.26x = 27,172,475.09
  5. Step 5: Solve for x
    x = 27,172,475.09/4,507.26
  6. Step 6: Final answer
    x = 6,028.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.