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Finding the Fourth Proportional to 6,347.35, 8,759.96 and 3,658.69

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Solution

The fourth proportional to 6,347.35, 8,759.96 and 3,658.69 is: 5,049.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,347.35 : 8,759.96 = 3,658.69 : x
  2. Step 2: Convert to fraction form
    6,347.35/8,759.96 = 3,658.69/x
  3. Step 3: Cross multiply
    6,347.35x = 8,759.96 × 3,658.69
  4. Step 4: Simplify right side
    6,347.35x = 32,049,978.05
  5. Step 5: Solve for x
    x = 32,049,978.05/6,347.35
  6. Step 6: Final answer
    x = 5,049.35

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Half scale
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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.