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Finding the Fourth Proportional to 9,874.77, 14,812.23 and 2,479.27

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Solution

The fourth proportional to 9,874.77, 14,812.23 and 2,479.27 is: 3,718.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,874.77 : 14,812.23 = 2,479.27 : x
  2. Step 2: Convert to fraction form
    9,874.77/14,812.23 = 2,479.27/x
  3. Step 3: Cross multiply
    9,874.77x = 14,812.23 × 2,479.27
  4. Step 4: Simplify right side
    9,874.77x = 36,723,517.47
  5. Step 5: Solve for x
    x = 36,723,517.47/9,874.77
  6. Step 6: Final answer
    x = 3,718.92

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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.