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Finding the Fourth Proportional to 5,034.80, 7,550.41 and 1,913.98

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Solution

The fourth proportional to 5,034.80, 7,550.41 and 1,913.98 is: 2,870.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,034.80 : 7,550.41 = 1,913.98 : x
  2. Step 2: Convert to fraction form
    5,034.80/7,550.41 = 1,913.98/x
  3. Step 3: Cross multiply
    5,034.80x = 7,550.41 × 1,913.98
  4. Step 4: Simplify right side
    5,034.80x = 14,451,286.41
  5. Step 5: Solve for x
    x = 14,451,286.41/5,034.80
  6. Step 6: Final answer
    x = 2,870.28

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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.