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Finding the Fourth Proportional to 5,882.74, 8,118.93 and 3,398.74

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Solution

The fourth proportional to 5,882.74, 8,118.93 and 3,398.74 is: 4,690.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,882.74 : 8,118.93 = 3,398.74 : x
  2. Step 2: Convert to fraction form
    5,882.74/8,118.93 = 3,398.74/x
  3. Step 3: Cross multiply
    5,882.74x = 8,118.93 × 3,398.74
  4. Step 4: Simplify right side
    5,882.74x = 27,594,132.15
  5. Step 5: Solve for x
    x = 27,594,132.15/5,882.74
  6. Step 6: Final answer
    x = 4,690.69

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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.