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Finding the Fourth Proportional to 4,995.68, 7,480.35 and 4,003.83

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Solution

The fourth proportional to 4,995.68, 7,480.35 and 4,003.83 is: 5,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995.68 : 7,480.35 = 4,003.83 : x
  2. Step 2: Convert to fraction form
    4,995.68/7,480.35 = 4,003.83/x
  3. Step 3: Cross multiply
    4,995.68x = 7,480.35 × 4,003.83
  4. Step 4: Simplify right side
    4,995.68x = 29,950,049.74
  5. Step 5: Solve for x
    x = 29,950,049.74/4,995.68
  6. Step 6: Final answer
    x = 5,995.20

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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.