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Finding the Fourth Proportional to 25,593.69, 38,398.16 and 18,493.97

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Solution

The fourth proportional to 25,593.69, 38,398.16 and 18,493.97 is: 27,746.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,593.69 : 38,398.16 = 18,493.97 : x
  2. Step 2: Convert to fraction form
    25,593.69/38,398.16 = 18,493.97/x
  3. Step 3: Cross multiply
    25,593.69x = 38,398.16 × 18,493.97
  4. Step 4: Simplify right side
    25,593.69x = 710,134,422.62
  5. Step 5: Solve for x
    x = 710,134,422.62/25,593.69
  6. Step 6: Final answer
    x = 27,746.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.