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Finding the Fourth Proportional to 29,388.38, 40,544.43 and 16,806.38

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Solution

The fourth proportional to 29,388.38, 40,544.43 and 16,806.38 is: 23,186.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,388.38 : 40,544.43 = 16,806.38 : x
  2. Step 2: Convert to fraction form
    29,388.38/40,544.43 = 16,806.38/x
  3. Step 3: Cross multiply
    29,388.38x = 40,544.43 × 16,806.38
  4. Step 4: Simplify right side
    29,388.38x = 681,405,097.46
  5. Step 5: Solve for x
    x = 681,405,097.46/29,388.38
  6. Step 6: Final answer
    x = 23,186.21

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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.