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Finding the Fourth Proportional to 5,398.92, 8,081.10 and 4,617.48

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Solution

The fourth proportional to 5,398.92, 8,081.10 and 4,617.48 is: 6,911.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.92 : 8,081.10 = 4,617.48 : x
  2. Step 2: Convert to fraction form
    5,398.92/8,081.10 = 4,617.48/x
  3. Step 3: Cross multiply
    5,398.92x = 8,081.10 × 4,617.48
  4. Step 4: Simplify right side
    5,398.92x = 37,314,317.63
  5. Step 5: Solve for x
    x = 37,314,317.63/5,398.92
  6. Step 6: Final answer
    x = 6,911.44

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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.