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Finding the Fourth Proportional to 61,302.60, 92,040.30 and 37,974.60

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Solution

The fourth proportional to 61,302.60, 92,040.30 and 37,974.60 is: 57,015.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,302.60 : 92,040.30 = 37,974.60 : x
  2. Step 2: Convert to fraction form
    61,302.60/92,040.30 = 37,974.60/x
  3. Step 3: Cross multiply
    61,302.60x = 92,040.30 × 37,974.60
  4. Step 4: Simplify right side
    61,302.60x = 3,495,193,576.38
  5. Step 5: Solve for x
    x = 3,495,193,576.38/61,302.60
  6. Step 6: Final answer
    x = 57,015.42

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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.