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Finding the Fourth Proportional to 29,503.19, 40,713.46 and 16,755.38

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Solution

The fourth proportional to 29,503.19, 40,713.46 and 16,755.38 is: 23,121.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,503.19 : 40,713.46 = 16,755.38 : x
  2. Step 2: Convert to fraction form
    29,503.19/40,713.46 = 16,755.38/x
  3. Step 3: Cross multiply
    29,503.19x = 40,713.46 × 16,755.38
  4. Step 4: Simplify right side
    29,503.19x = 682,169,562.27
  5. Step 5: Solve for x
    x = 682,169,562.27/29,503.19
  6. Step 6: Final answer
    x = 23,121.89

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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.