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Finding the Fourth Proportional to 5,992.68, 8,987.20 and 2,870.96

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Solution

The fourth proportional to 5,992.68, 8,987.20 and 2,870.96 is: 4,305.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,992.68 : 8,987.20 = 2,870.96 : x
  2. Step 2: Convert to fraction form
    5,992.68/8,987.20 = 2,870.96/x
  3. Step 3: Cross multiply
    5,992.68x = 8,987.20 × 2,870.96
  4. Step 4: Simplify right side
    5,992.68x = 25,801,891.71
  5. Step 5: Solve for x
    x = 25,801,891.71/5,992.68
  6. Step 6: Final answer
    x = 4,305.57

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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.