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Finding the Fourth Proportional to 5,933.78, 8,181 and 4,867.70

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Solution

The fourth proportional to 5,933.78, 8,181 and 4,867.70 is: 6,711.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,933.78 : 8,181 = 4,867.70 : x
  2. Step 2: Convert to fraction form
    5,933.78/8,181 = 4,867.70/x
  3. Step 3: Cross multiply
    5,933.78x = 8,181 × 4,867.70
  4. Step 4: Simplify right side
    5,933.78x = 39,822,653.70
  5. Step 5: Solve for x
    x = 39,822,653.70/5,933.78
  6. Step 6: Final answer
    x = 6,711.18

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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.