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Finding the Fourth Proportional to 5,616.90, 8,425.35 and 2,693.70

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Solution

The fourth proportional to 5,616.90, 8,425.35 and 2,693.70 is: 4,040.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616.90 : 8,425.35 = 2,693.70 : x
  2. Step 2: Convert to fraction form
    5,616.90/8,425.35 = 2,693.70/x
  3. Step 3: Cross multiply
    5,616.90x = 8,425.35 × 2,693.70
  4. Step 4: Simplify right side
    5,616.90x = 22,695,365.30
  5. Step 5: Solve for x
    x = 22,695,365.30/5,616.90
  6. Step 6: Final answer
    x = 4,040.55

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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.