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Finding the Fourth Proportional to 59,691.94, 89,538.51 and 18,138.94

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Solution

The fourth proportional to 59,691.94, 89,538.51 and 18,138.94 is: 27,208.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,691.94 : 89,538.51 = 18,138.94 : x
  2. Step 2: Convert to fraction form
    59,691.94/89,538.51 = 18,138.94/x
  3. Step 3: Cross multiply
    59,691.94x = 89,538.51 × 18,138.94
  4. Step 4: Simplify right side
    59,691.94x = 1,624,133,504.75
  5. Step 5: Solve for x
    x = 1,624,133,504.75/59,691.94
  6. Step 6: Final answer
    x = 27,208.59

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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.