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Finding the Fourth Proportional to 27,058.53, 40,587.81 and 17,757.39

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Solution

The fourth proportional to 27,058.53, 40,587.81 and 17,757.39 is: 26,636.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,058.53 : 40,587.81 = 17,757.39 : x
  2. Step 2: Convert to fraction form
    27,058.53/40,587.81 = 17,757.39/x
  3. Step 3: Cross multiply
    27,058.53x = 40,587.81 × 17,757.39
  4. Step 4: Simplify right side
    27,058.53x = 720,733,571.42
  5. Step 5: Solve for x
    x = 720,733,571.42/27,058.53
  6. Step 6: Final answer
    x = 26,636.09

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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.