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Finding the Fourth Proportional to 64,282.09, 88,709.31 and 35,988.39

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Solution

The fourth proportional to 64,282.09, 88,709.31 and 35,988.39 is: 49,663.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,282.09 : 88,709.31 = 35,988.39 : x
  2. Step 2: Convert to fraction form
    64,282.09/88,709.31 = 35,988.39/x
  3. Step 3: Cross multiply
    64,282.09x = 88,709.31 × 35,988.39
  4. Step 4: Simplify right side
    64,282.09x = 3,192,505,244.91
  5. Step 5: Solve for x
    x = 3,192,505,244.91/64,282.09
  6. Step 6: Final answer
    x = 49,663.99

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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.