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Finding the Fourth Proportional to 5,918.88, 8,168.10 and 3,266.28

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Solution

The fourth proportional to 5,918.88, 8,168.10 and 3,266.28 is: 4,507.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.88 : 8,168.10 = 3,266.28 : x
  2. Step 2: Convert to fraction form
    5,918.88/8,168.10 = 3,266.28/x
  3. Step 3: Cross multiply
    5,918.88x = 8,168.10 × 3,266.28
  4. Step 4: Simplify right side
    5,918.88x = 26,679,301.67
  5. Step 5: Solve for x
    x = 26,679,301.67/5,918.88
  6. Step 6: Final answer
    x = 4,507.49

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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.