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Finding the Fourth Proportional to 8,617.99, 12,924.49 and 3,935.52

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Solution

The fourth proportional to 8,617.99, 12,924.49 and 3,935.52 is: 5,902.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,617.99 : 12,924.49 = 3,935.52 : x
  2. Step 2: Convert to fraction form
    8,617.99/12,924.49 = 3,935.52/x
  3. Step 3: Cross multiply
    8,617.99x = 12,924.49 × 3,935.52
  4. Step 4: Simplify right side
    8,617.99x = 50,864,504.58
  5. Step 5: Solve for x
    x = 50,864,504.58/8,617.99
  6. Step 6: Final answer
    x = 5,902.13

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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.