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Finding the Fourth Proportional to 13,397.88, 18,492.88 and 8,093.04

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Solution

The fourth proportional to 13,397.88, 18,492.88 and 8,093.04 is: 11,170.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,397.88 : 18,492.88 = 8,093.04 : x
  2. Step 2: Convert to fraction form
    13,397.88/18,492.88 = 8,093.04/x
  3. Step 3: Cross multiply
    13,397.88x = 18,492.88 × 8,093.04
  4. Step 4: Simplify right side
    13,397.88x = 149,663,617.56
  5. Step 5: Solve for x
    x = 149,663,617.56/13,397.88
  6. Step 6: Final answer
    x = 11,170.69

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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.