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Finding the Fourth Proportional to 64,952.63, 89,632.81 and 36,660.95

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Solution

The fourth proportional to 64,952.63, 89,632.81 and 36,660.95 is: 50,591.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,952.63 : 89,632.81 = 36,660.95 : x
  2. Step 2: Convert to fraction form
    64,952.63/89,632.81 = 36,660.95/x
  3. Step 3: Cross multiply
    64,952.63x = 89,632.81 × 36,660.95
  4. Step 4: Simplify right side
    64,952.63x = 3,286,023,965.77
  5. Step 5: Solve for x
    x = 3,286,023,965.77/64,952.63
  6. Step 6: Final answer
    x = 50,591.08

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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.