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Finding the Fourth Proportional to 5,694.54, 8,531.55 and 5,351.45

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Solution

The fourth proportional to 5,694.54, 8,531.55 and 5,351.45 is: 8,017.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,694.54 : 8,531.55 = 5,351.45 : x
  2. Step 2: Convert to fraction form
    5,694.54/8,531.55 = 5,351.45/x
  3. Step 3: Cross multiply
    5,694.54x = 8,531.55 × 5,351.45
  4. Step 4: Simplify right side
    5,694.54x = 45,656,120.59
  5. Step 5: Solve for x
    x = 45,656,120.59/5,694.54
  6. Step 6: Final answer
    x = 8,017.53

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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.