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Finding the Fourth Proportional to 50,107.74, 69,143.64 and 29,960.64

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Solution

The fourth proportional to 50,107.74, 69,143.64 and 29,960.64 is: 41,342.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,107.74 : 69,143.64 = 29,960.64 : x
  2. Step 2: Convert to fraction form
    50,107.74/69,143.64 = 29,960.64/x
  3. Step 3: Cross multiply
    50,107.74x = 69,143.64 × 29,960.64
  4. Step 4: Simplify right side
    50,107.74x = 2,071,587,706.33
  5. Step 5: Solve for x
    x = 2,071,587,706.33/50,107.74
  6. Step 6: Final answer
    x = 41,342.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.