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Finding the Fourth Proportional to 29,661.23, 40,932.50 and 16,232.49

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Solution

The fourth proportional to 29,661.23, 40,932.50 and 16,232.49 is: 22,400.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,661.23 : 40,932.50 = 16,232.49 : x
  2. Step 2: Convert to fraction form
    29,661.23/40,932.50 = 16,232.49/x
  3. Step 3: Cross multiply
    29,661.23x = 40,932.50 × 16,232.49
  4. Step 4: Simplify right side
    29,661.23x = 664,436,315.76
  5. Step 5: Solve for x
    x = 664,436,315.76/29,661.23
  6. Step 6: Final answer
    x = 22,400.83

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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.