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Finding the Fourth Proportional to 6,062.40, 8,366.40 and 3,409.20

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Solution

The fourth proportional to 6,062.40, 8,366.40 and 3,409.20 is: 4,704.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,062.40 : 8,366.40 = 3,409.20 : x
  2. Step 2: Convert to fraction form
    6,062.40/8,366.40 = 3,409.20/x
  3. Step 3: Cross multiply
    6,062.40x = 8,366.40 × 3,409.20
  4. Step 4: Simplify right side
    6,062.40x = 28,522,730.88
  5. Step 5: Solve for x
    x = 28,522,730.88/6,062.40
  6. Step 6: Final answer
    x = 4,704.86

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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.