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Finding the Fourth Proportional to 57,066, 85,597.38 and 17,617.38

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Solution

The fourth proportional to 57,066, 85,597.38 and 17,617.38 is: 26,425.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,066 : 85,597.38 = 17,617.38 : x
  2. Step 2: Convert to fraction form
    57,066/85,597.38 = 17,617.38/x
  3. Step 3: Cross multiply
    57,066x = 85,597.38 × 17,617.38
  4. Step 4: Simplify right side
    57,066x = 1,508,001,570.46
  5. Step 5: Solve for x
    x = 1,508,001,570.46/57,066
  6. Step 6: Final answer
    x = 26,425.57

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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.