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Finding the Fourth Proportional to 5,540.77, 8,301.42 and 4,938.13

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Solution

The fourth proportional to 5,540.77, 8,301.42 and 4,938.13 is: 7,398.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.77 : 8,301.42 = 4,938.13 : x
  2. Step 2: Convert to fraction form
    5,540.77/8,301.42 = 4,938.13/x
  3. Step 3: Cross multiply
    5,540.77x = 8,301.42 × 4,938.13
  4. Step 4: Simplify right side
    5,540.77x = 40,993,466.45
  5. Step 5: Solve for x
    x = 40,993,466.45/5,540.77
  6. Step 6: Final answer
    x = 7,398.51

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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.