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Finding the Fourth Proportional to 23,260.74, 34,898.44 and 7,689.30

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Solution

The fourth proportional to 23,260.74, 34,898.44 and 7,689.30 is: 11,536.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,260.74 : 34,898.44 = 7,689.30 : x
  2. Step 2: Convert to fraction form
    23,260.74/34,898.44 = 7,689.30/x
  3. Step 3: Cross multiply
    23,260.74x = 34,898.44 × 7,689.30
  4. Step 4: Simplify right side
    23,260.74x = 268,344,574.69
  5. Step 5: Solve for x
    x = 268,344,574.69/23,260.74
  6. Step 6: Final answer
    x = 11,536.37

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.