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Finding the Fourth Proportional to 5,305.88, 7,962.47 and 1,843.13

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Solution

The fourth proportional to 5,305.88, 7,962.47 and 1,843.13 is: 2,765.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305.88 : 7,962.47 = 1,843.13 : x
  2. Step 2: Convert to fraction form
    5,305.88/7,962.47 = 1,843.13/x
  3. Step 3: Cross multiply
    5,305.88x = 7,962.47 × 1,843.13
  4. Step 4: Simplify right side
    5,305.88x = 14,675,867.33
  5. Step 5: Solve for x
    x = 14,675,867.33/5,305.88
  6. Step 6: Final answer
    x = 2,765.96

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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.