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Finding the Fourth Proportional to 59,495.42, 89,243.43 and 20,052.87

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Solution

The fourth proportional to 59,495.42, 89,243.43 and 20,052.87 is: 30,079.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,495.42 : 89,243.43 = 20,052.87 : x
  2. Step 2: Convert to fraction form
    59,495.42/89,243.43 = 20,052.87/x
  3. Step 3: Cross multiply
    59,495.42x = 89,243.43 × 20,052.87
  4. Step 4: Simplify right side
    59,495.42x = 1,789,586,900.14
  5. Step 5: Solve for x
    x = 1,789,586,900.14/59,495.42
  6. Step 6: Final answer
    x = 30,079.41

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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.