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Finding the Fourth Proportional to 29,105, 40,154.82 and 16,356.44

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Solution

The fourth proportional to 29,105, 40,154.82 and 16,356.44 is: 22,566.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,105 : 40,154.82 = 16,356.44 : x
  2. Step 2: Convert to fraction form
    29,105/40,154.82 = 16,356.44/x
  3. Step 3: Cross multiply
    29,105x = 40,154.82 × 16,356.44
  4. Step 4: Simplify right side
    29,105x = 656,789,904.04
  5. Step 5: Solve for x
    x = 656,789,904.04/29,105
  6. Step 6: Final answer
    x = 22,566.22

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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.