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Finding the Fourth Proportional to 16,251.84, 22,427.55 and 8,799.84

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Solution

The fourth proportional to 16,251.84, 22,427.55 and 8,799.84 is: 12,143.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,251.84 : 22,427.55 = 8,799.84 : x
  2. Step 2: Convert to fraction form
    16,251.84/22,427.55 = 8,799.84/x
  3. Step 3: Cross multiply
    16,251.84x = 22,427.55 × 8,799.84
  4. Step 4: Simplify right side
    16,251.84x = 197,358,851.59
  5. Step 5: Solve for x
    x = 197,358,851.59/16,251.84
  6. Step 6: Final answer
    x = 12,143.79

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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.