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Finding the Fourth Proportional to 17,993.76, 26,993.52 and 8,132.64

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Solution

The fourth proportional to 17,993.76, 26,993.52 and 8,132.64 is: 12,200.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,993.76 : 26,993.52 = 8,132.64 : x
  2. Step 2: Convert to fraction form
    17,993.76/26,993.52 = 8,132.64/x
  3. Step 3: Cross multiply
    17,993.76x = 26,993.52 × 8,132.64
  4. Step 4: Simplify right side
    17,993.76x = 219,528,580.49
  5. Step 5: Solve for x
    x = 219,528,580.49/17,993.76
  6. Step 6: Final answer
    x = 12,200.26

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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.