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Finding the Fourth Proportional to 5,918.51, 8,167.47 and 3,265.86

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Solution

The fourth proportional to 5,918.51, 8,167.47 and 3,265.86 is: 4,506.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.51 : 8,167.47 = 3,265.86 : x
  2. Step 2: Convert to fraction form
    5,918.51/8,167.47 = 3,265.86/x
  3. Step 3: Cross multiply
    5,918.51x = 8,167.47 × 3,265.86
  4. Step 4: Simplify right side
    5,918.51x = 26,673,821.74
  5. Step 5: Solve for x
    x = 26,673,821.74/5,918.51
  6. Step 6: Final answer
    x = 4,506.85

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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.