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Finding the Fourth Proportional to 16,900.80, 25,318.92 and 9,482.76

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Solution

The fourth proportional to 16,900.80, 25,318.92 and 9,482.76 is: 14,206.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,900.80 : 25,318.92 = 9,482.76 : x
  2. Step 2: Convert to fraction form
    16,900.80/25,318.92 = 9,482.76/x
  3. Step 3: Cross multiply
    16,900.80x = 25,318.92 × 9,482.76
  4. Step 4: Simplify right side
    16,900.80x = 240,093,241.82
  5. Step 5: Solve for x
    x = 240,093,241.82/16,900.80
  6. Step 6: Final answer
    x = 14,206.03

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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.