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Finding the Fourth Proportional to 5,745.35, 8,618.02 and 1,641.35

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Solution

The fourth proportional to 5,745.35, 8,618.02 and 1,641.35 is: 2,462.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,745.35 : 8,618.02 = 1,641.35 : x
  2. Step 2: Convert to fraction form
    5,745.35/8,618.02 = 1,641.35/x
  3. Step 3: Cross multiply
    5,745.35x = 8,618.02 × 1,641.35
  4. Step 4: Simplify right side
    5,745.35x = 14,145,144.04
  5. Step 5: Solve for x
    x = 14,145,144.04/5,745.35
  6. Step 6: Final answer
    x = 2,462.02

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Similar ratio
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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.