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Finding the Fourth Proportional to 6,337.60, 8,745.88 and 3,543.12

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Solution

The fourth proportional to 6,337.60, 8,745.88 and 3,543.12 is: 4,889.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,337.60 : 8,745.88 = 3,543.12 : x
  2. Step 2: Convert to fraction form
    6,337.60/8,745.88 = 3,543.12/x
  3. Step 3: Cross multiply
    6,337.60x = 8,745.88 × 3,543.12
  4. Step 4: Simplify right side
    6,337.60x = 30,987,702.35
  5. Step 5: Solve for x
    x = 30,987,702.35/6,337.60
  6. Step 6: Final answer
    x = 4,889.50

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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.