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Finding the Fourth Proportional to 11,375.18, 17,063.08 and 4,358.54

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Solution

The fourth proportional to 11,375.18, 17,063.08 and 4,358.54 is: 6,537.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,375.18 : 17,063.08 = 4,358.54 : x
  2. Step 2: Convert to fraction form
    11,375.18/17,063.08 = 4,358.54/x
  3. Step 3: Cross multiply
    11,375.18x = 17,063.08 × 4,358.54
  4. Step 4: Simplify right side
    11,375.18x = 74,370,116.70
  5. Step 5: Solve for x
    x = 74,370,116.70/11,375.18
  6. Step 6: Final answer
    x = 6,537.93

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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.