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Finding the Fourth Proportional to 13,793.40, 19,034.82 and 7,505.82

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Solution

The fourth proportional to 13,793.40, 19,034.82 and 7,505.82 is: 10,357.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,793.40 : 19,034.82 = 7,505.82 : x
  2. Step 2: Convert to fraction form
    13,793.40/19,034.82 = 7,505.82/x
  3. Step 3: Cross multiply
    13,793.40x = 19,034.82 × 7,505.82
  4. Step 4: Simplify right side
    13,793.40x = 142,871,932.65
  5. Step 5: Solve for x
    x = 142,871,932.65/13,793.40
  6. Step 6: Final answer
    x = 10,357.99

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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.