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Finding the Fourth Proportional to 75,884.49, 104,549.72 and 52,892.73

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Solution

The fourth proportional to 75,884.49, 104,549.72 and 52,892.73 is: 72,872.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,884.49 : 104,549.72 = 52,892.73 : x
  2. Step 2: Convert to fraction form
    75,884.49/104,549.72 = 52,892.73/x
  3. Step 3: Cross multiply
    75,884.49x = 104,549.72 × 52,892.73
  4. Step 4: Simplify right side
    75,884.49x = 5,529,919,847.07
  5. Step 5: Solve for x
    x = 5,529,919,847.07/75,884.49
  6. Step 6: Final answer
    x = 72,872.86

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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.