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Finding the Fourth Proportional to 18,593.58, 27,887.91 and 6,905.22

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Solution

The fourth proportional to 18,593.58, 27,887.91 and 6,905.22 is: 10,356.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,593.58 : 27,887.91 = 6,905.22 : x
  2. Step 2: Convert to fraction form
    18,593.58/27,887.91 = 6,905.22/x
  3. Step 3: Cross multiply
    18,593.58x = 27,887.91 × 6,905.22
  4. Step 4: Simplify right side
    18,593.58x = 192,572,153.89
  5. Step 5: Solve for x
    x = 192,572,153.89/18,593.58
  6. Step 6: Final answer
    x = 10,356.92

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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.