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Finding the Fourth Proportional to 3,995.72, 5,984.84 and 3,294.51

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Solution

The fourth proportional to 3,995.72, 5,984.84 and 3,294.51 is: 4,934.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.72 : 5,984.84 = 3,294.51 : x
  2. Step 2: Convert to fraction form
    3,995.72/5,984.84 = 3,294.51/x
  3. Step 3: Cross multiply
    3,995.72x = 5,984.84 × 3,294.51
  4. Step 4: Simplify right side
    3,995.72x = 19,717,098.76
  5. Step 5: Solve for x
    x = 19,717,098.76/3,995.72
  6. Step 6: Final answer
    x = 4,934.56

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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.