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Finding the Fourth Proportional to 29,998.68, 41,385.11 and 18,055.23

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Solution

The fourth proportional to 29,998.68, 41,385.11 and 18,055.23 is: 24,908.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,998.68 : 41,385.11 = 18,055.23 : x
  2. Step 2: Convert to fraction form
    29,998.68/41,385.11 = 18,055.23/x
  3. Step 3: Cross multiply
    29,998.68x = 41,385.11 × 18,055.23
  4. Step 4: Simplify right side
    29,998.68x = 747,217,589.35
  5. Step 5: Solve for x
    x = 747,217,589.35/29,998.68
  6. Step 6: Final answer
    x = 24,908.35

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Double scale
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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.