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Finding the Fourth Proportional to 29,663.93, 40,936.22 and 16,235.19

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Solution

The fourth proportional to 29,663.93, 40,936.22 and 16,235.19 is: 22,404.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,663.93 : 40,936.22 = 16,235.19 : x
  2. Step 2: Convert to fraction form
    29,663.93/40,936.22 = 16,235.19/x
  3. Step 3: Cross multiply
    29,663.93x = 40,936.22 × 16,235.19
  4. Step 4: Simplify right side
    29,663.93x = 664,607,228.41
  5. Step 5: Solve for x
    x = 664,607,228.41/29,663.93
  6. Step 6: Final answer
    x = 22,404.56

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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.