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Finding the Fourth Proportional to 64,321.50, 88,763.67 and 36,027.12

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Solution

The fourth proportional to 64,321.50, 88,763.67 and 36,027.12 is: 49,717.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,321.50 : 88,763.67 = 36,027.12 : x
  2. Step 2: Convert to fraction form
    64,321.50/88,763.67 = 36,027.12/x
  3. Step 3: Cross multiply
    64,321.50x = 88,763.67 × 36,027.12
  4. Step 4: Simplify right side
    64,321.50x = 3,197,899,390.73
  5. Step 5: Solve for x
    x = 3,197,899,390.73/64,321.50
  6. Step 6: Final answer
    x = 49,717.43

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1.5x scale

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.