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Finding the Fourth Proportional to 64,952.53, 89,633.63 and 36,272.68

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Solution

The fourth proportional to 64,952.53, 89,633.63 and 36,272.68 is: 50,055.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,952.53 : 89,633.63 = 36,272.68 : x
  2. Step 2: Convert to fraction form
    64,952.53/89,633.63 = 36,272.68/x
  3. Step 3: Cross multiply
    64,952.53x = 89,633.63 × 36,272.68
  4. Step 4: Simplify right side
    64,952.53x = 3,251,251,844.83
  5. Step 5: Solve for x
    x = 3,251,251,844.83/64,952.53
  6. Step 6: Final answer
    x = 50,055.82

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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.