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Finding the Fourth Proportional to 5,918.19, 8,167.68 and 4,423.51

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Solution

The fourth proportional to 5,918.19, 8,167.68 and 4,423.51 is: 6,104.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.19 : 8,167.68 = 4,423.51 : x
  2. Step 2: Convert to fraction form
    5,918.19/8,167.68 = 4,423.51/x
  3. Step 3: Cross multiply
    5,918.19x = 8,167.68 × 4,423.51
  4. Step 4: Simplify right side
    5,918.19x = 36,129,814.16
  5. Step 5: Solve for x
    x = 36,129,814.16/5,918.19
  6. Step 6: Final answer
    x = 6,104.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.