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Finding the Fourth Proportional to 63,993.72, 88,313.76 and 35,704.92

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Solution

The fourth proportional to 63,993.72, 88,313.76 and 35,704.92 is: 49,274.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,993.72 : 88,313.76 = 35,704.92 : x
  2. Step 2: Convert to fraction form
    63,993.72/88,313.76 = 35,704.92/x
  3. Step 3: Cross multiply
    63,993.72x = 88,313.76 × 35,704.92
  4. Step 4: Simplify right side
    63,993.72x = 3,153,235,735.70
  5. Step 5: Solve for x
    x = 3,153,235,735.70/63,993.72
  6. Step 6: Final answer
    x = 49,274.14

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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.