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Finding the Fourth Proportional to 3,339.31, 4,608.27 and 1,923.02

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Solution

The fourth proportional to 3,339.31, 4,608.27 and 1,923.02 is: 2,653.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.31 : 4,608.27 = 1,923.02 : x
  2. Step 2: Convert to fraction form
    3,339.31/4,608.27 = 1,923.02/x
  3. Step 3: Cross multiply
    3,339.31x = 4,608.27 × 1,923.02
  4. Step 4: Simplify right side
    3,339.31x = 8,861,795.38
  5. Step 5: Solve for x
    x = 8,861,795.38/3,339.31
  6. Step 6: Final answer
    x = 2,653.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.