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Finding the Fourth Proportional to 59,570.74, 89,329.87 and 27,989.79

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Solution

The fourth proportional to 59,570.74, 89,329.87 and 27,989.79 is: 41,972.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,570.74 : 89,329.87 = 27,989.79 : x
  2. Step 2: Convert to fraction form
    59,570.74/89,329.87 = 27,989.79/x
  3. Step 3: Cross multiply
    59,570.74x = 89,329.87 × 27,989.79
  4. Step 4: Simplify right side
    59,570.74x = 2,500,324,302.03
  5. Step 5: Solve for x
    x = 2,500,324,302.03/59,570.74
  6. Step 6: Final answer
    x = 41,972.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.