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Finding the Fourth Proportional to 40,771.68, 61,105.68 and 18,597.12

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Solution

The fourth proportional to 40,771.68, 61,105.68 and 18,597.12 is: 27,872.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,771.68 : 61,105.68 = 18,597.12 : x
  2. Step 2: Convert to fraction form
    40,771.68/61,105.68 = 18,597.12/x
  3. Step 3: Cross multiply
    40,771.68x = 61,105.68 × 18,597.12
  4. Step 4: Simplify right side
    40,771.68x = 1,136,389,663.64
  5. Step 5: Solve for x
    x = 1,136,389,663.64/40,771.68
  6. Step 6: Final answer
    x = 27,872.03

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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.