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Finding the Fourth Proportional to 51,704.92, 71,203.62 and 49,342.96

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Solution

The fourth proportional to 51,704.92, 71,203.62 and 49,342.96 is: 67,950.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,704.92 : 71,203.62 = 49,342.96 : x
  2. Step 2: Convert to fraction form
    51,704.92/71,203.62 = 49,342.96/x
  3. Step 3: Cross multiply
    51,704.92x = 71,203.62 × 49,342.96
  4. Step 4: Simplify right side
    51,704.92x = 3,513,397,373.52
  5. Step 5: Solve for x
    x = 3,513,397,373.52/51,704.92
  6. Step 6: Final answer
    x = 67,950.93

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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.