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Finding the Fourth Proportional to 18,377, 25,362.68 and 17,876.62

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Solution

The fourth proportional to 18,377, 25,362.68 and 17,876.62 is: 24,672.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377 : 25,362.68 = 17,876.62 : x
  2. Step 2: Convert to fraction form
    18,377/25,362.68 = 17,876.62/x
  3. Step 3: Cross multiply
    18,377x = 25,362.68 × 17,876.62
  4. Step 4: Simplify right side
    18,377x = 453,398,992.54
  5. Step 5: Solve for x
    x = 453,398,992.54/18,377
  6. Step 6: Final answer
    x = 24,672.09

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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.