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Finding the Fourth Proportional to 18,498.56, 27,750.56 and 5,349.22

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Solution

The fourth proportional to 18,498.56, 27,750.56 and 5,349.22 is: 8,024.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,498.56 : 27,750.56 = 5,349.22 : x
  2. Step 2: Convert to fraction form
    18,498.56/27,750.56 = 5,349.22/x
  3. Step 3: Cross multiply
    18,498.56x = 27,750.56 × 5,349.22
  4. Step 4: Simplify right side
    18,498.56x = 148,443,850.56
  5. Step 5: Solve for x
    x = 148,443,850.56/18,498.56
  6. Step 6: Final answer
    x = 8,024.62

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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.