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Finding the Fourth Proportional to 25,173.65, 34,730.99 and 15,610.09

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Solution

The fourth proportional to 25,173.65, 34,730.99 and 15,610.09 is: 21,536.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,173.65 : 34,730.99 = 15,610.09 : x
  2. Step 2: Convert to fraction form
    25,173.65/34,730.99 = 15,610.09/x
  3. Step 3: Cross multiply
    25,173.65x = 34,730.99 × 15,610.09
  4. Step 4: Simplify right side
    25,173.65x = 542,153,879.69
  5. Step 5: Solve for x
    x = 542,153,879.69/25,173.65
  6. Step 6: Final answer
    x = 21,536.56

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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.