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Finding the Fourth Proportional to 12,452.48, 17,183.88 and 6,787.12

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Solution

The fourth proportional to 12,452.48, 17,183.88 and 6,787.12 is: 9,365.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452.48 : 17,183.88 = 6,787.12 : x
  2. Step 2: Convert to fraction form
    12,452.48/17,183.88 = 6,787.12/x
  3. Step 3: Cross multiply
    12,452.48x = 17,183.88 × 6,787.12
  4. Step 4: Simplify right side
    12,452.48x = 116,629,055.63
  5. Step 5: Solve for x
    x = 116,629,055.63/12,452.48
  6. Step 6: Final answer
    x = 9,365.93

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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.