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Finding the Fourth Proportional to 29,786.80, 41,125.03 and 18,468.32

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Solution

The fourth proportional to 29,786.80, 41,125.03 and 18,468.32 is: 25,498.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,786.80 : 41,125.03 = 18,468.32 : x
  2. Step 2: Convert to fraction form
    29,786.80/41,125.03 = 18,468.32/x
  3. Step 3: Cross multiply
    29,786.80x = 41,125.03 × 18,468.32
  4. Step 4: Simplify right side
    29,786.80x = 759,510,214.05
  5. Step 5: Solve for x
    x = 759,510,214.05/29,786.80
  6. Step 6: Final answer
    x = 25,498.21

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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.