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Finding the Fourth Proportional to 41,889.50, 62,845.59 and 14,187.50

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Solution

The fourth proportional to 41,889.50, 62,845.59 and 14,187.50 is: 21,285.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,889.50 : 62,845.59 = 14,187.50 : x
  2. Step 2: Convert to fraction form
    41,889.50/62,845.59 = 14,187.50/x
  3. Step 3: Cross multiply
    41,889.50x = 62,845.59 × 14,187.50
  4. Step 4: Simplify right side
    41,889.50x = 891,621,808.13
  5. Step 5: Solve for x
    x = 891,621,808.13/41,889.50
  6. Step 6: Final answer
    x = 21,285.09

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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.