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Finding the Fourth Proportional to 16,538.80, 24,808.20 and 10,974.10

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Solution

The fourth proportional to 16,538.80, 24,808.20 and 10,974.10 is: 16,461.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,538.80 : 24,808.20 = 10,974.10 : x
  2. Step 2: Convert to fraction form
    16,538.80/24,808.20 = 10,974.10/x
  3. Step 3: Cross multiply
    16,538.80x = 24,808.20 × 10,974.10
  4. Step 4: Simplify right side
    16,538.80x = 272,247,667.62
  5. Step 5: Solve for x
    x = 272,247,667.62/16,538.80
  6. Step 6: Final answer
    x = 16,461.15

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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.