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Finding the Fourth Proportional to 26,398.38, 39,593.34 and 9,766.38

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Solution

The fourth proportional to 26,398.38, 39,593.34 and 9,766.38 is: 14,648.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,398.38 : 39,593.34 = 9,766.38 : x
  2. Step 2: Convert to fraction form
    26,398.38/39,593.34 = 9,766.38/x
  3. Step 3: Cross multiply
    26,398.38x = 39,593.34 × 9,766.38
  4. Step 4: Simplify right side
    26,398.38x = 386,683,603.91
  5. Step 5: Solve for x
    x = 386,683,603.91/26,398.38
  6. Step 6: Final answer
    x = 14,648.01

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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.