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Finding the Fourth Proportional to 64,356.36, 88,814.18 and 36,061

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Solution

The fourth proportional to 64,356.36, 88,814.18 and 36,061 is: 49,765.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,356.36 : 88,814.18 = 36,061 : x
  2. Step 2: Convert to fraction form
    64,356.36/88,814.18 = 36,061/x
  3. Step 3: Cross multiply
    64,356.36x = 88,814.18 × 36,061
  4. Step 4: Simplify right side
    64,356.36x = 3,202,728,144.98
  5. Step 5: Solve for x
    x = 3,202,728,144.98/64,356.36
  6. Step 6: Final answer
    x = 49,765.53

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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.