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Finding the Fourth Proportional to 64,887.76, 89,544.92 and 36,593.24

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Solution

The fourth proportional to 64,887.76, 89,544.92 and 36,593.24 is: 50,498.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,887.76 : 89,544.92 = 36,593.24 : x
  2. Step 2: Convert to fraction form
    64,887.76/89,544.92 = 36,593.24/x
  3. Step 3: Cross multiply
    64,887.76x = 89,544.92 × 36,593.24
  4. Step 4: Simplify right side
    64,887.76x = 3,276,738,748.34
  5. Step 5: Solve for x
    x = 3,276,738,748.34/64,887.76
  6. Step 6: Final answer
    x = 50,498.56

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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.