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Finding the Fourth Proportional to 18,324.54, 27,487.08 and 7,232.81

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Solution

The fourth proportional to 18,324.54, 27,487.08 and 7,232.81 is: 10,849.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,324.54 : 27,487.08 = 7,232.81 : x
  2. Step 2: Convert to fraction form
    18,324.54/27,487.08 = 7,232.81/x
  3. Step 3: Cross multiply
    18,324.54x = 27,487.08 × 7,232.81
  4. Step 4: Simplify right side
    18,324.54x = 198,808,689.66
  5. Step 5: Solve for x
    x = 198,808,689.66/18,324.54
  6. Step 6: Final answer
    x = 10,849.31

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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.