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Finding the Fourth Proportional to 61,511.04, 92,223 and 36,491.76

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Solution

The fourth proportional to 61,511.04, 92,223 and 36,491.76 is: 54,711.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,511.04 : 92,223 = 36,491.76 : x
  2. Step 2: Convert to fraction form
    61,511.04/92,223 = 36,491.76/x
  3. Step 3: Cross multiply
    61,511.04x = 92,223 × 36,491.76
  4. Step 4: Simplify right side
    61,511.04x = 3,365,379,582.48
  5. Step 5: Solve for x
    x = 3,365,379,582.48/61,511.04
  6. Step 6: Final answer
    x = 54,711.80

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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.