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Finding the Fourth Proportional to 29,524.50, 40,743.81 and 18,914.13

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Solution

The fourth proportional to 29,524.50, 40,743.81 and 18,914.13 is: 26,101.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,524.50 : 40,743.81 = 18,914.13 : x
  2. Step 2: Convert to fraction form
    29,524.50/40,743.81 = 18,914.13/x
  3. Step 3: Cross multiply
    29,524.50x = 40,743.81 × 18,914.13
  4. Step 4: Simplify right side
    29,524.50x = 770,633,833.63
  5. Step 5: Solve for x
    x = 770,633,833.63/29,524.50
  6. Step 6: Final answer
    x = 26,101.50

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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.