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Finding the Fourth Proportional to 13,754.64, 18,981.24 and 8,093.04

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Solution

The fourth proportional to 13,754.64, 18,981.24 and 8,093.04 is: 11,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,754.64 : 18,981.24 = 8,093.04 : x
  2. Step 2: Convert to fraction form
    13,754.64/18,981.24 = 8,093.04/x
  3. Step 3: Cross multiply
    13,754.64x = 18,981.24 × 8,093.04
  4. Step 4: Simplify right side
    13,754.64x = 153,615,934.57
  5. Step 5: Solve for x
    x = 153,615,934.57/13,754.64
  6. Step 6: Final answer
    x = 11,168.30

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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.