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Finding the Fourth Proportional to 64,334.40, 88,777.26 and 36,039.48

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Solution

The fourth proportional to 64,334.40, 88,777.26 and 36,039.48 is: 49,732.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,334.40 : 88,777.26 = 36,039.48 : x
  2. Step 2: Convert to fraction form
    64,334.40/88,777.26 = 36,039.48/x
  3. Step 3: Cross multiply
    64,334.40x = 88,777.26 × 36,039.48
  4. Step 4: Simplify right side
    64,334.40x = 3,199,486,286.22
  5. Step 5: Solve for x
    x = 3,199,486,286.22/64,334.40
  6. Step 6: Final answer
    x = 49,732.12

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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.