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Finding the Fourth Proportional to 61,963.20, 93,005.82 and 44,213.40

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Solution

The fourth proportional to 61,963.20, 93,005.82 and 44,213.40 is: 66,363.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,963.20 : 93,005.82 = 44,213.40 : x
  2. Step 2: Convert to fraction form
    61,963.20/93,005.82 = 44,213.40/x
  3. Step 3: Cross multiply
    61,963.20x = 93,005.82 × 44,213.40
  4. Step 4: Simplify right side
    61,963.20x = 4,112,103,521.99
  5. Step 5: Solve for x
    x = 4,112,103,521.99/61,963.20
  6. Step 6: Final answer
    x = 66,363.64

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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.