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Finding the Fourth Proportional to 5,745.52, 8,624.04 and 3,871.18

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Solution

The fourth proportional to 5,745.52, 8,624.04 and 3,871.18 is: 5,810.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,745.52 : 8,624.04 = 3,871.18 : x
  2. Step 2: Convert to fraction form
    5,745.52/8,624.04 = 3,871.18/x
  3. Step 3: Cross multiply
    5,745.52x = 8,624.04 × 3,871.18
  4. Step 4: Simplify right side
    5,745.52x = 33,385,211.17
  5. Step 5: Solve for x
    x = 33,385,211.17/5,745.52
  6. Step 6: Final answer
    x = 5,810.65

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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.