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Finding the Fourth Proportional to 16,830.98, 25,251.72 and 6,974.90

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Solution

The fourth proportional to 16,830.98, 25,251.72 and 6,974.90 is: 10,464.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,830.98 : 25,251.72 = 6,974.90 : x
  2. Step 2: Convert to fraction form
    16,830.98/25,251.72 = 6,974.90/x
  3. Step 3: Cross multiply
    16,830.98x = 25,251.72 × 6,974.90
  4. Step 4: Simplify right side
    16,830.98x = 176,128,221.83
  5. Step 5: Solve for x
    x = 176,128,221.83/16,830.98
  6. Step 6: Final answer
    x = 10,464.53

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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.