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Finding the Fourth Proportional to 8,327.56, 12,491.88 and 2,484.76

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Solution

The fourth proportional to 8,327.56, 12,491.88 and 2,484.76 is: 3,727.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,327.56 : 12,491.88 = 2,484.76 : x
  2. Step 2: Convert to fraction form
    8,327.56/12,491.88 = 2,484.76/x
  3. Step 3: Cross multiply
    8,327.56x = 12,491.88 × 2,484.76
  4. Step 4: Simplify right side
    8,327.56x = 31,039,323.75
  5. Step 5: Solve for x
    x = 31,039,323.75/8,327.56
  6. Step 6: Final answer
    x = 3,727.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.