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Finding the Fourth Proportional to 61,911.53, 92,836.10 and 30,323.96

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Solution

The fourth proportional to 61,911.53, 92,836.10 and 30,323.96 is: 45,470.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,911.53 : 92,836.10 = 30,323.96 : x
  2. Step 2: Convert to fraction form
    61,911.53/92,836.10 = 30,323.96/x
  3. Step 3: Cross multiply
    61,911.53x = 92,836.10 × 30,323.96
  4. Step 4: Simplify right side
    61,911.53x = 2,815,157,794.59
  5. Step 5: Solve for x
    x = 2,815,157,794.59/61,911.53
  6. Step 6: Final answer
    x = 45,470.66

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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.