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Finding the Fourth Proportional to 12,340.74, 17,014.77 and 10,299.57

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Solution

The fourth proportional to 12,340.74, 17,014.77 and 10,299.57 is: 14,200.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,340.74 : 17,014.77 = 10,299.57 : x
  2. Step 2: Convert to fraction form
    12,340.74/17,014.77 = 10,299.57/x
  3. Step 3: Cross multiply
    12,340.74x = 17,014.77 × 10,299.57
  4. Step 4: Simplify right side
    12,340.74x = 175,244,814.65
  5. Step 5: Solve for x
    x = 175,244,814.65/12,340.74
  6. Step 6: Final answer
    x = 14,200.51

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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.