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Finding the Fourth Proportional to 29,673.99, 40,950.21 and 16,245.36

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Solution

The fourth proportional to 29,673.99, 40,950.21 and 16,245.36 is: 22,418.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,673.99 : 40,950.21 = 16,245.36 : x
  2. Step 2: Convert to fraction form
    29,673.99/40,950.21 = 16,245.36/x
  3. Step 3: Cross multiply
    29,673.99x = 40,950.21 × 16,245.36
  4. Step 4: Simplify right side
    29,673.99x = 665,250,903.53
  5. Step 5: Solve for x
    x = 665,250,903.53/29,673.99
  6. Step 6: Final answer
    x = 22,418.65

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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.