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Finding the Fourth Proportional to 29,685.99, 40,965.02 and 22,600.11

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Solution

The fourth proportional to 29,685.99, 40,965.02 and 22,600.11 is: 31,186.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,685.99 : 40,965.02 = 22,600.11 : x
  2. Step 2: Convert to fraction form
    29,685.99/40,965.02 = 22,600.11/x
  3. Step 3: Cross multiply
    29,685.99x = 40,965.02 × 22,600.11
  4. Step 4: Simplify right side
    29,685.99x = 925,813,958.15
  5. Step 5: Solve for x
    x = 925,813,958.15/29,685.99
  6. Step 6: Final answer
    x = 31,186.90

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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.