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Finding the Fourth Proportional to 10,174, 14,040.57 and 5,697.66

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Solution

The fourth proportional to 10,174, 14,040.57 and 5,697.66 is: 7,863.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,174 : 14,040.57 = 5,697.66 : x
  2. Step 2: Convert to fraction form
    10,174/14,040.57 = 5,697.66/x
  3. Step 3: Cross multiply
    10,174x = 14,040.57 × 5,697.66
  4. Step 4: Simplify right side
    10,174x = 79,998,338.11
  5. Step 5: Solve for x
    x = 79,998,338.11/10,174
  6. Step 6: Final answer
    x = 7,863.02

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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.