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Finding the Fourth Proportional to 29,919.62, 44,883.75 and 9,140.42

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Solution

The fourth proportional to 29,919.62, 44,883.75 and 9,140.42 is: 13,711.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,919.62 : 44,883.75 = 9,140.42 : x
  2. Step 2: Convert to fraction form
    29,919.62/44,883.75 = 9,140.42/x
  3. Step 3: Cross multiply
    29,919.62x = 44,883.75 × 9,140.42
  4. Step 4: Simplify right side
    29,919.62x = 410,256,326.18
  5. Step 5: Solve for x
    x = 410,256,326.18/29,919.62
  6. Step 6: Final answer
    x = 13,711.95

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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.