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Finding the Fourth Proportional to 61,983.20, 92,974.80 and 37,051.40

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Solution

The fourth proportional to 61,983.20, 92,974.80 and 37,051.40 is: 55,577.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,983.20 : 92,974.80 = 37,051.40 : x
  2. Step 2: Convert to fraction form
    61,983.20/92,974.80 = 37,051.40/x
  3. Step 3: Cross multiply
    61,983.20x = 92,974.80 × 37,051.40
  4. Step 4: Simplify right side
    61,983.20x = 3,444,846,504.72
  5. Step 5: Solve for x
    x = 3,444,846,504.72/61,983.20
  6. Step 6: Final answer
    x = 55,577.10

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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.