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Finding the Fourth Proportional to 29,872.41, 44,808.75 and 12,103.41

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Solution

The fourth proportional to 29,872.41, 44,808.75 and 12,103.41 is: 18,155.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,872.41 : 44,808.75 = 12,103.41 : x
  2. Step 2: Convert to fraction form
    29,872.41/44,808.75 = 12,103.41/x
  3. Step 3: Cross multiply
    29,872.41x = 44,808.75 × 12,103.41
  4. Step 4: Simplify right side
    29,872.41x = 542,338,672.84
  5. Step 5: Solve for x
    x = 542,338,672.84/29,872.41
  6. Step 6: Final answer
    x = 18,155.17

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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.