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Finding the Fourth Proportional to 5,060.12, 6,978.84 and 4,249.45

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Solution

The fourth proportional to 5,060.12, 6,978.84 and 4,249.45 is: 5,860.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,060.12 : 6,978.84 = 4,249.45 : x
  2. Step 2: Convert to fraction form
    5,060.12/6,978.84 = 4,249.45/x
  3. Step 3: Cross multiply
    5,060.12x = 6,978.84 × 4,249.45
  4. Step 4: Simplify right side
    5,060.12x = 29,656,231.64
  5. Step 5: Solve for x
    x = 29,656,231.64/5,060.12
  6. Step 6: Final answer
    x = 5,860.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.