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Finding the Fourth Proportional to 59,679.42, 89,499.99 and 19,689.44

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Solution

The fourth proportional to 59,679.42, 89,499.99 and 19,689.44 is: 29,527.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,679.42 : 89,499.99 = 19,689.44 : x
  2. Step 2: Convert to fraction form
    59,679.42/89,499.99 = 19,689.44/x
  3. Step 3: Cross multiply
    59,679.42x = 89,499.99 × 19,689.44
  4. Step 4: Simplify right side
    59,679.42x = 1,762,204,683.11
  5. Step 5: Solve for x
    x = 1,762,204,683.11/59,679.42
  6. Step 6: Final answer
    x = 29,527.85

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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.