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Finding the Fourth Proportional to 41,768.82, 62,666.22 and 13,689.12

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Solution

The fourth proportional to 41,768.82, 62,666.22 and 13,689.12 is: 20,537.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,768.82 : 62,666.22 = 13,689.12 : x
  2. Step 2: Convert to fraction form
    41,768.82/62,666.22 = 13,689.12/x
  3. Step 3: Cross multiply
    41,768.82x = 62,666.22 × 13,689.12
  4. Step 4: Simplify right side
    41,768.82x = 857,845,405.53
  5. Step 5: Solve for x
    x = 857,845,405.53/41,768.82
  6. Step 6: Final answer
    x = 20,537.94

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1.5x scale

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.