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Finding the Fourth Proportional to 61,562.32, 92,310.66 and 31,950.34

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Solution

The fourth proportional to 61,562.32, 92,310.66 and 31,950.34 is: 47,908.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,562.32 : 92,310.66 = 31,950.34 : x
  2. Step 2: Convert to fraction form
    61,562.32/92,310.66 = 31,950.34/x
  3. Step 3: Cross multiply
    61,562.32x = 92,310.66 × 31,950.34
  4. Step 4: Simplify right side
    61,562.32x = 2,949,356,972.62
  5. Step 5: Solve for x
    x = 2,949,356,972.62/61,562.32
  6. Step 6: Final answer
    x = 47,908.48

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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.