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Finding the Fourth Proportional to 64,537.71, 89,069.67 and 36,243.33

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Solution

The fourth proportional to 64,537.71, 89,069.67 and 36,243.33 is: 50,020.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,537.71 : 89,069.67 = 36,243.33 : x
  2. Step 2: Convert to fraction form
    64,537.71/89,069.67 = 36,243.33/x
  3. Step 3: Cross multiply
    64,537.71x = 89,069.67 × 36,243.33
  4. Step 4: Simplify right side
    64,537.71x = 3,228,181,442.80
  5. Step 5: Solve for x
    x = 3,228,181,442.80/64,537.71
  6. Step 6: Final answer
    x = 50,020.08

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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.