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Finding the Fourth Proportional to 63,920.99, 88,211.58 and 35,241.79

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Solution

The fourth proportional to 63,920.99, 88,211.58 and 35,241.79 is: 48,634.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,920.99 : 88,211.58 = 35,241.79 : x
  2. Step 2: Convert to fraction form
    63,920.99/88,211.58 = 35,241.79/x
  3. Step 3: Cross multiply
    63,920.99x = 88,211.58 × 35,241.79
  4. Step 4: Simplify right side
    63,920.99x = 3,108,733,977.93
  5. Step 5: Solve for x
    x = 3,108,733,977.93/63,920.99
  6. Step 6: Final answer
    x = 48,634.01

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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.