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Finding the Fourth Proportional to 5,542.88, 8,315.88 and 2,258.33

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Solution

The fourth proportional to 5,542.88, 8,315.88 and 2,258.33 is: 3,388.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,542.88 : 8,315.88 = 2,258.33 : x
  2. Step 2: Convert to fraction form
    5,542.88/8,315.88 = 2,258.33/x
  3. Step 3: Cross multiply
    5,542.88x = 8,315.88 × 2,258.33
  4. Step 4: Simplify right side
    5,542.88x = 18,780,001.28
  5. Step 5: Solve for x
    x = 18,780,001.28/5,542.88
  6. Step 6: Final answer
    x = 3,388.13

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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.