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Finding the Fourth Proportional to 64,369.35, 88,824.84 and 36,069.57

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Solution

The fourth proportional to 64,369.35, 88,824.84 and 36,069.57 is: 49,773.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,369.35 : 88,824.84 = 36,069.57 : x
  2. Step 2: Convert to fraction form
    64,369.35/88,824.84 = 36,069.57/x
  3. Step 3: Cross multiply
    64,369.35x = 88,824.84 × 36,069.57
  4. Step 4: Simplify right side
    64,369.35x = 3,203,873,784.12
  5. Step 5: Solve for x
    x = 3,203,873,784.12/64,369.35
  6. Step 6: Final answer
    x = 49,773.28

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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.