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Finding the Fourth Proportional to 6,149.20, 8,487.76 and 5,835.76

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Solution

The fourth proportional to 6,149.20, 8,487.76 and 5,835.76 is: 8,055.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,149.20 : 8,487.76 = 5,835.76 : x
  2. Step 2: Convert to fraction form
    6,149.20/8,487.76 = 5,835.76/x
  3. Step 3: Cross multiply
    6,149.20x = 8,487.76 × 5,835.76
  4. Step 4: Simplify right side
    6,149.20x = 49,532,530.30
  5. Step 5: Solve for x
    x = 49,532,530.30/6,149.20
  6. Step 6: Final answer
    x = 8,055.12

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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.