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Finding the Fourth Proportional to 29,170.05, 43,744.05 and 9,443.31

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Solution

The fourth proportional to 29,170.05, 43,744.05 and 9,443.31 is: 14,161.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,170.05 : 43,744.05 = 9,443.31 : x
  2. Step 2: Convert to fraction form
    29,170.05/43,744.05 = 9,443.31/x
  3. Step 3: Cross multiply
    29,170.05x = 43,744.05 × 9,443.31
  4. Step 4: Simplify right side
    29,170.05x = 413,088,624.81
  5. Step 5: Solve for x
    x = 413,088,624.81/29,170.05
  6. Step 6: Final answer
    x = 14,161.40

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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.