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Finding the Fourth Proportional to 5,918.66, 8,167.74 and 3,266.06

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Solution

The fourth proportional to 5,918.66, 8,167.74 and 3,266.06 is: 4,507.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.66 : 8,167.74 = 3,266.06 : x
  2. Step 2: Convert to fraction form
    5,918.66/8,167.74 = 3,266.06/x
  3. Step 3: Cross multiply
    5,918.66x = 8,167.74 × 3,266.06
  4. Step 4: Simplify right side
    5,918.66x = 26,676,328.90
  5. Step 5: Solve for x
    x = 26,676,328.90/5,918.66
  6. Step 6: Final answer
    x = 4,507.16

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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.