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Finding the Fourth Proportional to 41,866.37, 62,808.16 and 13,788.07

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Solution

The fourth proportional to 41,866.37, 62,808.16 and 13,788.07 is: 20,684.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,866.37 : 62,808.16 = 13,788.07 : x
  2. Step 2: Convert to fraction form
    41,866.37/62,808.16 = 13,788.07/x
  3. Step 3: Cross multiply
    41,866.37x = 62,808.16 × 13,788.07
  4. Step 4: Simplify right side
    41,866.37x = 866,003,494.31
  5. Step 5: Solve for x
    x = 866,003,494.31/41,866.37
  6. Step 6: Final answer
    x = 20,684.94

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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.