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Finding the Fourth Proportional to 16,417.80, 24,553.80 and 13,793.40

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Solution

The fourth proportional to 16,417.80, 24,553.80 and 13,793.40 is: 20,628.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,417.80 : 24,553.80 = 13,793.40 : x
  2. Step 2: Convert to fraction form
    16,417.80/24,553.80 = 13,793.40/x
  3. Step 3: Cross multiply
    16,417.80x = 24,553.80 × 13,793.40
  4. Step 4: Simplify right side
    16,417.80x = 338,680,384.92
  5. Step 5: Solve for x
    x = 338,680,384.92/16,417.80
  6. Step 6: Final answer
    x = 20,628.85

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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.