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Finding the Fourth Proportional to 5,471.88, 7,551.75 and 3,234.48

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Solution

The fourth proportional to 5,471.88, 7,551.75 and 3,234.48 is: 4,463.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.88 : 7,551.75 = 3,234.48 : x
  2. Step 2: Convert to fraction form
    5,471.88/7,551.75 = 3,234.48/x
  3. Step 3: Cross multiply
    5,471.88x = 7,551.75 × 3,234.48
  4. Step 4: Simplify right side
    5,471.88x = 24,425,984.34
  5. Step 5: Solve for x
    x = 24,425,984.34/5,471.88
  6. Step 6: Final answer
    x = 4,463.91

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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.