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Finding the Fourth Proportional to 63,744.34, 87,965.94 and 35,449.42

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Solution

The fourth proportional to 63,744.34, 87,965.94 and 35,449.42 is: 48,919.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,744.34 : 87,965.94 = 35,449.42 : x
  2. Step 2: Convert to fraction form
    63,744.34/87,965.94 = 35,449.42/x
  3. Step 3: Cross multiply
    63,744.34x = 87,965.94 × 35,449.42
  4. Step 4: Simplify right side
    63,744.34x = 3,118,341,552.75
  5. Step 5: Solve for x
    x = 3,118,341,552.75/63,744.34
  6. Step 6: Final answer
    x = 48,919.50

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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.