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Finding the Fourth Proportional to 29,041.61, 43,557.17 and 7,694.46

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Solution

The fourth proportional to 29,041.61, 43,557.17 and 7,694.46 is: 11,540.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,041.61 : 43,557.17 = 7,694.46 : x
  2. Step 2: Convert to fraction form
    29,041.61/43,557.17 = 7,694.46/x
  3. Step 3: Cross multiply
    29,041.61x = 43,557.17 × 7,694.46
  4. Step 4: Simplify right side
    29,041.61x = 335,148,863.81
  5. Step 5: Solve for x
    x = 335,148,863.81/29,041.61
  6. Step 6: Final answer
    x = 11,540.30

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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.