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Finding the Fourth Proportional to 61,912.96, 92,874.36 and 37,122.16

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Solution

The fourth proportional to 61,912.96, 92,874.36 and 37,122.16 is: 55,686.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,912.96 : 92,874.36 = 37,122.16 : x
  2. Step 2: Convert to fraction form
    61,912.96/92,874.36 = 37,122.16/x
  3. Step 3: Cross multiply
    61,912.96x = 92,874.36 × 37,122.16
  4. Step 4: Simplify right side
    61,912.96x = 3,447,696,851.82
  5. Step 5: Solve for x
    x = 3,447,696,851.82/61,912.96
  6. Step 6: Final answer
    x = 55,686.19

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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.