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Finding the Fourth Proportional to 45,755.82, 68,627.22 and 17,689.09

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Solution

The fourth proportional to 45,755.82, 68,627.22 and 17,689.09 is: 26,531.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,755.82 : 68,627.22 = 17,689.09 : x
  2. Step 2: Convert to fraction form
    45,755.82/68,627.22 = 17,689.09/x
  3. Step 3: Cross multiply
    45,755.82x = 68,627.22 × 17,689.09
  4. Step 4: Simplify right side
    45,755.82x = 1,213,953,071.03
  5. Step 5: Solve for x
    x = 1,213,953,071.03/45,755.82
  6. Step 6: Final answer
    x = 26,531.12

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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.