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Finding the Fourth Proportional to 64,791.89, 97,147.74 and 25,302.57

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Solution

The fourth proportional to 64,791.89, 97,147.74 and 25,302.57 is: 37,938.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,791.89 : 97,147.74 = 25,302.57 : x
  2. Step 2: Convert to fraction form
    64,791.89/97,147.74 = 25,302.57/x
  3. Step 3: Cross multiply
    64,791.89x = 97,147.74 × 25,302.57
  4. Step 4: Simplify right side
    64,791.89x = 2,458,087,356.03
  5. Step 5: Solve for x
    x = 2,458,087,356.03/64,791.89
  6. Step 6: Final answer
    x = 37,938.19

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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.