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Finding the Fourth Proportional to 63,993.10, 88,313.22 and 35,698.79

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Solution

The fourth proportional to 63,993.10, 88,313.22 and 35,698.79 is: 49,265.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,993.10 : 88,313.22 = 35,698.79 : x
  2. Step 2: Convert to fraction form
    63,993.10/88,313.22 = 35,698.79/x
  3. Step 3: Cross multiply
    63,993.10x = 88,313.22 × 35,698.79
  4. Step 4: Simplify right side
    63,993.10x = 3,152,675,095.00
  5. Step 5: Solve for x
    x = 3,152,675,095.00/63,993.10
  6. Step 6: Final answer
    x = 49,265.86

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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.