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Finding the Fourth Proportional to 15,162.98, 22,744.35 and 3,918.29

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Solution

The fourth proportional to 15,162.98, 22,744.35 and 3,918.29 is: 5,877.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,162.98 : 22,744.35 = 3,918.29 : x
  2. Step 2: Convert to fraction form
    15,162.98/22,744.35 = 3,918.29/x
  3. Step 3: Cross multiply
    15,162.98x = 22,744.35 × 3,918.29
  4. Step 4: Simplify right side
    15,162.98x = 89,118,845.44
  5. Step 5: Solve for x
    x = 89,118,845.44/15,162.98
  6. Step 6: Final answer
    x = 5,877.40

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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.