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Finding the Fourth Proportional to 18,295.29, 27,433.22 and 7,201.53

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Solution

The fourth proportional to 18,295.29, 27,433.22 and 7,201.53 is: 10,798.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,295.29 : 27,433.22 = 7,201.53 : x
  2. Step 2: Convert to fraction form
    18,295.29/27,433.22 = 7,201.53/x
  3. Step 3: Cross multiply
    18,295.29x = 27,433.22 × 7,201.53
  4. Step 4: Simplify right side
    18,295.29x = 197,561,120.82
  5. Step 5: Solve for x
    x = 197,561,120.82/18,295.29
  6. Step 6: Final answer
    x = 10,798.47

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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.