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Finding the Fourth Proportional to 62,847.52, 86,704.90 and 35,975.57

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Solution

The fourth proportional to 62,847.52, 86,704.90 and 35,975.57 is: 49,632.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,847.52 : 86,704.90 = 35,975.57 : x
  2. Step 2: Convert to fraction form
    62,847.52/86,704.90 = 35,975.57/x
  3. Step 3: Cross multiply
    62,847.52x = 86,704.90 × 35,975.57
  4. Step 4: Simplify right side
    62,847.52x = 3,119,257,675.83
  5. Step 5: Solve for x
    x = 3,119,257,675.83/62,847.52
  6. Step 6: Final answer
    x = 49,632.15

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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.