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Finding the Fourth Proportional to 26,679.89, 36,816.41 and 14,743.11

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Solution

The fourth proportional to 26,679.89, 36,816.41 and 14,743.11 is: 20,344.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,679.89 : 36,816.41 = 14,743.11 : x
  2. Step 2: Convert to fraction form
    26,679.89/36,816.41 = 14,743.11/x
  3. Step 3: Cross multiply
    26,679.89x = 36,816.41 × 14,743.11
  4. Step 4: Simplify right side
    26,679.89x = 542,788,308.72
  5. Step 5: Solve for x
    x = 542,788,308.72/26,679.89
  6. Step 6: Final answer
    x = 20,344.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.