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Finding the Fourth Proportional to 5,616.73, 7,752.27 and 3,850.66

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Solution

The fourth proportional to 5,616.73, 7,752.27 and 3,850.66 is: 5,314.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616.73 : 7,752.27 = 3,850.66 : x
  2. Step 2: Convert to fraction form
    5,616.73/7,752.27 = 3,850.66/x
  3. Step 3: Cross multiply
    5,616.73x = 7,752.27 × 3,850.66
  4. Step 4: Simplify right side
    5,616.73x = 29,851,356.00
  5. Step 5: Solve for x
    x = 29,851,356.00/5,616.73
  6. Step 6: Final answer
    x = 5,314.72

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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.