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Finding the Fourth Proportional to 61,551.56, 92,356.14 and 31,953.32

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Solution

The fourth proportional to 61,551.56, 92,356.14 and 31,953.32 is: 47,944.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,551.56 : 92,356.14 = 31,953.32 : x
  2. Step 2: Convert to fraction form
    61,551.56/92,356.14 = 31,953.32/x
  3. Step 3: Cross multiply
    61,551.56x = 92,356.14 × 31,953.32
  4. Step 4: Simplify right side
    61,551.56x = 2,951,085,295.38
  5. Step 5: Solve for x
    x = 2,951,085,295.38/61,551.56
  6. Step 6: Final answer
    x = 47,944.93

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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.