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Finding the Fourth Proportional to 17,671.77, 24,377.25 and 11,199.55

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Solution

The fourth proportional to 17,671.77, 24,377.25 and 11,199.55 is: 15,449.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,671.77 : 24,377.25 = 11,199.55 : x
  2. Step 2: Convert to fraction form
    17,671.77/24,377.25 = 11,199.55/x
  3. Step 3: Cross multiply
    17,671.77x = 24,377.25 × 11,199.55
  4. Step 4: Simplify right side
    17,671.77x = 273,014,230.24
  5. Step 5: Solve for x
    x = 273,014,230.24/17,671.77
  6. Step 6: Final answer
    x = 15,449.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.