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Finding the Fourth Proportional to 5,503.88, 8,251.79 and 3,531.74

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Solution

The fourth proportional to 5,503.88, 8,251.79 and 3,531.74 is: 5,295.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,503.88 : 8,251.79 = 3,531.74 : x
  2. Step 2: Convert to fraction form
    5,503.88/8,251.79 = 3,531.74/x
  3. Step 3: Cross multiply
    5,503.88x = 8,251.79 × 3,531.74
  4. Step 4: Simplify right side
    5,503.88x = 29,143,117.90
  5. Step 5: Solve for x
    x = 29,143,117.90/5,503.88
  6. Step 6: Final answer
    x = 5,295.01

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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.