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Finding the Fourth Proportional to 61,937.96, 85,472.43 and 35,082.95

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Solution

The fourth proportional to 61,937.96, 85,472.43 and 35,082.95 is: 48,413.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,937.96 : 85,472.43 = 35,082.95 : x
  2. Step 2: Convert to fraction form
    61,937.96/85,472.43 = 35,082.95/x
  3. Step 3: Cross multiply
    61,937.96x = 85,472.43 × 35,082.95
  4. Step 4: Simplify right side
    61,937.96x = 2,998,624,988.07
  5. Step 5: Solve for x
    x = 2,998,624,988.07/61,937.96
  6. Step 6: Final answer
    x = 48,413.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.