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Finding the Fourth Proportional to 75,952.95, 104,821.20 and 41,964.42

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Solution

The fourth proportional to 75,952.95, 104,821.20 and 41,964.42 is: 57,914.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,952.95 : 104,821.20 = 41,964.42 : x
  2. Step 2: Convert to fraction form
    75,952.95/104,821.20 = 41,964.42/x
  3. Step 3: Cross multiply
    75,952.95x = 104,821.20 × 41,964.42
  4. Step 4: Simplify right side
    75,952.95x = 4,398,760,861.70
  5. Step 5: Solve for x
    x = 4,398,760,861.70/75,952.95
  6. Step 6: Final answer
    x = 57,914.29

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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.