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Finding the Fourth Proportional to 5,570.54, 7,687.42 and 3,052.88

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Solution

The fourth proportional to 5,570.54, 7,687.42 and 3,052.88 is: 4,213.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.54 : 7,687.42 = 3,052.88 : x
  2. Step 2: Convert to fraction form
    5,570.54/7,687.42 = 3,052.88/x
  3. Step 3: Cross multiply
    5,570.54x = 7,687.42 × 3,052.88
  4. Step 4: Simplify right side
    5,570.54x = 23,468,724.70
  5. Step 5: Solve for x
    x = 23,468,724.70/5,570.54
  6. Step 6: Final answer
    x = 4,213.01

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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.