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Finding the Fourth Proportional to 18,317.32, 27,472.32 and 10,823.68

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Solution

The fourth proportional to 18,317.32, 27,472.32 and 10,823.68 is: 16,233.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,317.32 : 27,472.32 = 10,823.68 : x
  2. Step 2: Convert to fraction form
    18,317.32/27,472.32 = 10,823.68/x
  3. Step 3: Cross multiply
    18,317.32x = 27,472.32 × 10,823.68
  4. Step 4: Simplify right side
    18,317.32x = 297,351,600.54
  5. Step 5: Solve for x
    x = 297,351,600.54/18,317.32
  6. Step 6: Final answer
    x = 16,233.36

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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.