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Finding the Fourth Proportional to 8,755.20, 12,058.20 and 8,593.20

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Solution

The fourth proportional to 8,755.20, 12,058.20 and 8,593.20 is: 11,835.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.20 : 12,058.20 = 8,593.20 : x
  2. Step 2: Convert to fraction form
    8,755.20/12,058.20 = 8,593.20/x
  3. Step 3: Cross multiply
    8,755.20x = 12,058.20 × 8,593.20
  4. Step 4: Simplify right side
    8,755.20x = 103,618,524.24
  5. Step 5: Solve for x
    x = 103,618,524.24/8,755.20
  6. Step 6: Final answer
    x = 11,835.08

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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.