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Finding the Fourth Proportional to 6,557.56, 9,049.48 and 3,724.84

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Solution

The fourth proportional to 6,557.56, 9,049.48 and 3,724.84 is: 5,140.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,557.56 : 9,049.48 = 3,724.84 : x
  2. Step 2: Convert to fraction form
    6,557.56/9,049.48 = 3,724.84/x
  3. Step 3: Cross multiply
    6,557.56x = 9,049.48 × 3,724.84
  4. Step 4: Simplify right side
    6,557.56x = 33,707,865.08
  5. Step 5: Solve for x
    x = 33,707,865.08/6,557.56
  6. Step 6: Final answer
    x = 5,140.31

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1.5x scale

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.