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Finding the Fourth Proportional to 11,237.60, 16,832.10 and 6,863.60

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Solution

The fourth proportional to 11,237.60, 16,832.10 and 6,863.60 is: 10,280.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237.60 : 16,832.10 = 6,863.60 : x
  2. Step 2: Convert to fraction form
    11,237.60/16,832.10 = 6,863.60/x
  3. Step 3: Cross multiply
    11,237.60x = 16,832.10 × 6,863.60
  4. Step 4: Simplify right side
    11,237.60x = 115,528,801.56
  5. Step 5: Solve for x
    x = 115,528,801.56/11,237.60
  6. Step 6: Final answer
    x = 10,280.56

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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.