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Finding the Fourth Proportional to 5,687.44, 8,521.08 and 3,952.72

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Solution

The fourth proportional to 5,687.44, 8,521.08 and 3,952.72 is: 5,922.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,687.44 : 8,521.08 = 3,952.72 : x
  2. Step 2: Convert to fraction form
    5,687.44/8,521.08 = 3,952.72/x
  3. Step 3: Cross multiply
    5,687.44x = 8,521.08 × 3,952.72
  4. Step 4: Simplify right side
    5,687.44x = 33,681,443.34
  5. Step 5: Solve for x
    x = 33,681,443.34/5,687.44
  6. Step 6: Final answer
    x = 5,922.07

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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.