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Finding the Fourth Proportional to 14,616.59, 20,171.08 and 8,872.39

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Solution

The fourth proportional to 14,616.59, 20,171.08 and 8,872.39 is: 12,244.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,616.59 : 20,171.08 = 8,872.39 : x
  2. Step 2: Convert to fraction form
    14,616.59/20,171.08 = 8,872.39/x
  3. Step 3: Cross multiply
    14,616.59x = 20,171.08 × 8,872.39
  4. Step 4: Simplify right side
    14,616.59x = 178,965,587.63
  5. Step 5: Solve for x
    x = 178,965,587.63/14,616.59
  6. Step 6: Final answer
    x = 12,244.00

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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.