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Finding the Fourth Proportional to 17,183.31, 25,784.88 and 9,285.87

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Solution

The fourth proportional to 17,183.31, 25,784.88 and 9,285.87 is: 13,934.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,183.31 : 25,784.88 = 9,285.87 : x
  2. Step 2: Convert to fraction form
    17,183.31/25,784.88 = 9,285.87/x
  3. Step 3: Cross multiply
    17,183.31x = 25,784.88 × 9,285.87
  4. Step 4: Simplify right side
    17,183.31x = 239,435,043.65
  5. Step 5: Solve for x
    x = 239,435,043.65/17,183.31
  6. Step 6: Final answer
    x = 13,934.16

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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.