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Finding the Fourth Proportional to 59,652.50, 89,479.29 and 18,099.50

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Solution

The fourth proportional to 59,652.50, 89,479.29 and 18,099.50 is: 27,149.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,652.50 : 89,479.29 = 18,099.50 : x
  2. Step 2: Convert to fraction form
    59,652.50/89,479.29 = 18,099.50/x
  3. Step 3: Cross multiply
    59,652.50x = 89,479.29 × 18,099.50
  4. Step 4: Simplify right side
    59,652.50x = 1,619,530,409.36
  5. Step 5: Solve for x
    x = 1,619,530,409.36/59,652.50
  6. Step 6: Final answer
    x = 27,149.41

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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.