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Finding the Fourth Proportional to 5,687.54, 7,848.82 and 3,297.98

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Solution

The fourth proportional to 5,687.54, 7,848.82 and 3,297.98 is: 4,551.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,687.54 : 7,848.82 = 3,297.98 : x
  2. Step 2: Convert to fraction form
    5,687.54/7,848.82 = 3,297.98/x
  3. Step 3: Cross multiply
    5,687.54x = 7,848.82 × 3,297.98
  4. Step 4: Simplify right side
    5,687.54x = 25,885,251.38
  5. Step 5: Solve for x
    x = 25,885,251.38/5,687.54
  6. Step 6: Final answer
    x = 4,551.22

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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.