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Finding the Fourth Proportional to 57,008.51, 85,531.22 and 27,422.49

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Solution

The fourth proportional to 57,008.51, 85,531.22 and 27,422.49 is: 41,142.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,008.51 : 85,531.22 = 27,422.49 : x
  2. Step 2: Convert to fraction form
    57,008.51/85,531.22 = 27,422.49/x
  3. Step 3: Cross multiply
    57,008.51x = 85,531.22 × 27,422.49
  4. Step 4: Simplify right side
    57,008.51x = 2,345,478,888.03
  5. Step 5: Solve for x
    x = 2,345,478,888.03/57,008.51
  6. Step 6: Final answer
    x = 41,142.61

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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.