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Finding the Fourth Proportional to 2,549.28, 3,527.28 and 2,239.68

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Solution

The fourth proportional to 2,549.28, 3,527.28 and 2,239.68 is: 3,098.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549.28 : 3,527.28 = 2,239.68 : x
  2. Step 2: Convert to fraction form
    2,549.28/3,527.28 = 2,239.68/x
  3. Step 3: Cross multiply
    2,549.28x = 3,527.28 × 2,239.68
  4. Step 4: Simplify right side
    2,549.28x = 7,899,978.47
  5. Step 5: Solve for x
    x = 7,899,978.47/2,549.28
  6. Step 6: Final answer
    x = 3,098.91

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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.