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Finding the Fourth Proportional to 18,323.74, 27,468.51 and 7,230.52

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Solution

The fourth proportional to 18,323.74, 27,468.51 and 7,230.52 is: 10,839.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,323.74 : 27,468.51 = 7,230.52 : x
  2. Step 2: Convert to fraction form
    18,323.74/27,468.51 = 7,230.52/x
  3. Step 3: Cross multiply
    18,323.74x = 27,468.51 × 7,230.52
  4. Step 4: Simplify right side
    18,323.74x = 198,611,610.93
  5. Step 5: Solve for x
    x = 198,611,610.93/18,323.74
  6. Step 6: Final answer
    x = 10,839.03

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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.