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Finding the Fourth Proportional to 5,469.31, 7,550.22 and 4,125.48

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Solution

The fourth proportional to 5,469.31, 7,550.22 and 4,125.48 is: 5,695.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,469.31 : 7,550.22 = 4,125.48 : x
  2. Step 2: Convert to fraction form
    5,469.31/7,550.22 = 4,125.48/x
  3. Step 3: Cross multiply
    5,469.31x = 7,550.22 × 4,125.48
  4. Step 4: Simplify right side
    5,469.31x = 31,148,281.61
  5. Step 5: Solve for x
    x = 31,148,281.61/5,469.31
  6. Step 6: Final answer
    x = 5,695.10

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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.