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Finding the Fourth Proportional to 64,334.63, 88,781.73 and 36,040.52

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Solution

The fourth proportional to 64,334.63, 88,781.73 and 36,040.52 is: 49,735.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,334.63 : 88,781.73 = 36,040.52 : x
  2. Step 2: Convert to fraction form
    64,334.63/88,781.73 = 36,040.52/x
  3. Step 3: Cross multiply
    64,334.63x = 88,781.73 × 36,040.52
  4. Step 4: Simplify right side
    64,334.63x = 3,199,739,715.70
  5. Step 5: Solve for x
    x = 3,199,739,715.70/64,334.63
  6. Step 6: Final answer
    x = 49,735.88

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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.