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Finding the Fourth Proportional to 7,134.65, 10,699.21 and 2,453.77

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Solution

The fourth proportional to 7,134.65, 10,699.21 and 2,453.77 is: 3,679.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134.65 : 10,699.21 = 2,453.77 : x
  2. Step 2: Convert to fraction form
    7,134.65/10,699.21 = 2,453.77/x
  3. Step 3: Cross multiply
    7,134.65x = 10,699.21 × 2,453.77
  4. Step 4: Simplify right side
    7,134.65x = 26,253,400.52
  5. Step 5: Solve for x
    x = 26,253,400.52/7,134.65
  6. Step 6: Final answer
    x = 3,679.70

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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.