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Finding the Fourth Proportional to 6,424.68, 8,866.24 and 3,591.94

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Solution

The fourth proportional to 6,424.68, 8,866.24 and 3,591.94 is: 4,956.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,424.68 : 8,866.24 = 3,591.94 : x
  2. Step 2: Convert to fraction form
    6,424.68/8,866.24 = 3,591.94/x
  3. Step 3: Cross multiply
    6,424.68x = 8,866.24 × 3,591.94
  4. Step 4: Simplify right side
    6,424.68x = 31,847,002.11
  5. Step 5: Solve for x
    x = 31,847,002.11/6,424.68
  6. Step 6: Final answer
    x = 4,956.98

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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.