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Finding the Fourth Proportional to 63,928.93, 88,218.18 and 36,698.66

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Solution

The fourth proportional to 63,928.93, 88,218.18 and 36,698.66 is: 50,642.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,928.93 : 88,218.18 = 36,698.66 : x
  2. Step 2: Convert to fraction form
    63,928.93/88,218.18 = 36,698.66/x
  3. Step 3: Cross multiply
    63,928.93x = 88,218.18 × 36,698.66
  4. Step 4: Simplify right side
    63,928.93x = 3,237,488,993.64
  5. Step 5: Solve for x
    x = 3,237,488,993.64/63,928.93
  6. Step 6: Final answer
    x = 50,642.00

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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.