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Finding the Fourth Proportional to 29,195.70, 43,757.10 and 21,395.40

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Solution

The fourth proportional to 29,195.70, 43,757.10 and 21,395.40 is: 32,066.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,195.70 : 43,757.10 = 21,395.40 : x
  2. Step 2: Convert to fraction form
    29,195.70/43,757.10 = 21,395.40/x
  3. Step 3: Cross multiply
    29,195.70x = 43,757.10 × 21,395.40
  4. Step 4: Simplify right side
    29,195.70x = 936,200,657.34
  5. Step 5: Solve for x
    x = 936,200,657.34/29,195.70
  6. Step 6: Final answer
    x = 32,066.39

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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.