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Finding the Fourth Proportional to 8,616.39, 12,926.73 and 2,460.39

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Solution

The fourth proportional to 8,616.39, 12,926.73 and 2,460.39 is: 3,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,616.39 : 12,926.73 = 2,460.39 : x
  2. Step 2: Convert to fraction form
    8,616.39/12,926.73 = 2,460.39/x
  3. Step 3: Cross multiply
    8,616.39x = 12,926.73 × 2,460.39
  4. Step 4: Simplify right side
    8,616.39x = 31,804,797.22
  5. Step 5: Solve for x
    x = 31,804,797.22/8,616.39
  6. Step 6: Final answer
    x = 3,691.20

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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.