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Finding the Fourth Proportional to 18,100.68, 24,979.66 and 10,551.90

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Solution

The fourth proportional to 18,100.68, 24,979.66 and 10,551.90 is: 14,562.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,100.68 : 24,979.66 = 10,551.90 : x
  2. Step 2: Convert to fraction form
    18,100.68/24,979.66 = 10,551.90/x
  3. Step 3: Cross multiply
    18,100.68x = 24,979.66 × 10,551.90
  4. Step 4: Simplify right side
    18,100.68x = 263,582,874.35
  5. Step 5: Solve for x
    x = 263,582,874.35/18,100.68
  6. Step 6: Final answer
    x = 14,562.04

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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.