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Finding the Fourth Proportional to 17,883.92, 26,817.24 and 7,492.88

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Solution

The fourth proportional to 17,883.92, 26,817.24 and 7,492.88 is: 11,235.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,883.92 : 26,817.24 = 7,492.88 : x
  2. Step 2: Convert to fraction form
    17,883.92/26,817.24 = 7,492.88/x
  3. Step 3: Cross multiply
    17,883.92x = 26,817.24 × 7,492.88
  4. Step 4: Simplify right side
    17,883.92x = 200,938,361.25
  5. Step 5: Solve for x
    x = 200,938,361.25/17,883.92
  6. Step 6: Final answer
    x = 11,235.70

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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.