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Finding the Fourth Proportional to 8,616.67, 12,924.56 and 2,376.74

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Solution

The fourth proportional to 8,616.67, 12,924.56 and 2,376.74 is: 3,564.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,616.67 : 12,924.56 = 2,376.74 : x
  2. Step 2: Convert to fraction form
    8,616.67/12,924.56 = 2,376.74/x
  3. Step 3: Cross multiply
    8,616.67x = 12,924.56 × 2,376.74
  4. Step 4: Simplify right side
    8,616.67x = 30,718,260.05
  5. Step 5: Solve for x
    x = 30,718,260.05/8,616.67
  6. Step 6: Final answer
    x = 3,564.98

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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.