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Finding the Fourth Proportional to 64,883.32, 89,536.26 and 36,591.64

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Solution

The fourth proportional to 64,883.32, 89,536.26 and 36,591.64 is: 50,494.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,883.32 : 89,536.26 = 36,591.64 : x
  2. Step 2: Convert to fraction form
    64,883.32/89,536.26 = 36,591.64/x
  3. Step 3: Cross multiply
    64,883.32x = 89,536.26 × 36,591.64
  4. Step 4: Simplify right side
    64,883.32x = 3,276,278,592.87
  5. Step 5: Solve for x
    x = 3,276,278,592.87/64,883.32
  6. Step 6: Final answer
    x = 50,494.93

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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.