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Finding the Fourth Proportional to 6,961.88, 10,443.82 and 2,030.88

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Solution

The fourth proportional to 6,961.88, 10,443.82 and 2,030.88 is: 3,046.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,961.88 : 10,443.82 = 2,030.88 : x
  2. Step 2: Convert to fraction form
    6,961.88/10,443.82 = 2,030.88/x
  3. Step 3: Cross multiply
    6,961.88x = 10,443.82 × 2,030.88
  4. Step 4: Simplify right side
    6,961.88x = 21,210,145.16
  5. Step 5: Solve for x
    x = 21,210,145.16/6,961.88
  6. Step 6: Final answer
    x = 3,046.61

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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.