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Finding the Fourth Proportional to 71,349.96, 107,061.85 and 33,903.06

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Solution

The fourth proportional to 71,349.96, 107,061.85 and 33,903.06 is: 50,872.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,349.96 : 107,061.85 = 33,903.06 : x
  2. Step 2: Convert to fraction form
    71,349.96/107,061.85 = 33,903.06/x
  3. Step 3: Cross multiply
    71,349.96x = 107,061.85 × 33,903.06
  4. Step 4: Simplify right side
    71,349.96x = 3,629,723,965.16
  5. Step 5: Solve for x
    x = 3,629,723,965.16/71,349.96
  6. Step 6: Final answer
    x = 50,872.12

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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.