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Finding the Fourth Proportional to 18,882.93, 28,324.53 and 5,735.46

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Solution

The fourth proportional to 18,882.93, 28,324.53 and 5,735.46 is: 8,603.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,882.93 : 28,324.53 = 5,735.46 : x
  2. Step 2: Convert to fraction form
    18,882.93/28,324.53 = 5,735.46/x
  3. Step 3: Cross multiply
    18,882.93x = 28,324.53 × 5,735.46
  4. Step 4: Simplify right side
    18,882.93x = 162,454,208.83
  5. Step 5: Solve for x
    x = 162,454,208.83/18,882.93
  6. Step 6: Final answer
    x = 8,603.23

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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.