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Finding the Fourth Proportional to 61,963.30, 92,879.97 and 30,329.74

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Solution

The fourth proportional to 61,963.30, 92,879.97 and 30,329.74 is: 45,462.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,963.30 : 92,879.97 = 30,329.74 : x
  2. Step 2: Convert to fraction form
    61,963.30/92,879.97 = 30,329.74/x
  3. Step 3: Cross multiply
    61,963.30x = 92,879.97 × 30,329.74
  4. Step 4: Simplify right side
    61,963.30x = 2,817,025,341.31
  5. Step 5: Solve for x
    x = 2,817,025,341.31/61,963.30
  6. Step 6: Final answer
    x = 45,462.80

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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.