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Finding the Fourth Proportional to 5,065.39, 6,993.17 and 3,860.92

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Solution

The fourth proportional to 5,065.39, 6,993.17 and 3,860.92 is: 5,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065.39 : 6,993.17 = 3,860.92 : x
  2. Step 2: Convert to fraction form
    5,065.39/6,993.17 = 3,860.92/x
  3. Step 3: Cross multiply
    5,065.39x = 6,993.17 × 3,860.92
  4. Step 4: Simplify right side
    5,065.39x = 27,000,050.61
  5. Step 5: Solve for x
    x = 27,000,050.61/5,065.39
  6. Step 6: Final answer
    x = 5,330.30

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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.