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Finding the Fourth Proportional to 18,562.08, 27,840.89 and 5,236.08

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Solution

The fourth proportional to 18,562.08, 27,840.89 and 5,236.08 is: 7,853.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,562.08 : 27,840.89 = 5,236.08 : x
  2. Step 2: Convert to fraction form
    18,562.08/27,840.89 = 5,236.08/x
  3. Step 3: Cross multiply
    18,562.08x = 27,840.89 × 5,236.08
  4. Step 4: Simplify right side
    18,562.08x = 145,777,101.13
  5. Step 5: Solve for x
    x = 145,777,101.13/18,562.08
  6. Step 6: Final answer
    x = 7,853.49

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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.