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Finding the Fourth Proportional to 29,917.62, 44,880.75 and 9,138.42

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Solution

The fourth proportional to 29,917.62, 44,880.75 and 9,138.42 is: 13,708.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,917.62 : 44,880.75 = 9,138.42 : x
  2. Step 2: Convert to fraction form
    29,917.62/44,880.75 = 9,138.42/x
  3. Step 3: Cross multiply
    29,917.62x = 44,880.75 × 9,138.42
  4. Step 4: Simplify right side
    29,917.62x = 410,139,143.42
  5. Step 5: Solve for x
    x = 410,139,143.42/29,917.62
  6. Step 6: Final answer
    x = 13,708.95

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1.5x scale

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.