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Finding the Fourth Proportional to 16,751.34, 25,126.97 and 7,959.60

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Solution

The fourth proportional to 16,751.34, 25,126.97 and 7,959.60 is: 11,939.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,751.34 : 25,126.97 = 7,959.60 : x
  2. Step 2: Convert to fraction form
    16,751.34/25,126.97 = 7,959.60/x
  3. Step 3: Cross multiply
    16,751.34x = 25,126.97 × 7,959.60
  4. Step 4: Simplify right side
    16,751.34x = 200,000,590.61
  5. Step 5: Solve for x
    x = 200,000,590.61/16,751.34
  6. Step 6: Final answer
    x = 11,939.38

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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.