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Finding the Fourth Proportional to 61,511, 92,295.68 and 36,600.24

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Solution

The fourth proportional to 61,511, 92,295.68 and 36,600.24 is: 54,917.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,511 : 92,295.68 = 36,600.24 : x
  2. Step 2: Convert to fraction form
    61,511/92,295.68 = 36,600.24/x
  3. Step 3: Cross multiply
    61,511x = 92,295.68 × 36,600.24
  4. Step 4: Simplify right side
    61,511x = 3,378,044,038.96
  5. Step 5: Solve for x
    x = 3,378,044,038.96/61,511
  6. Step 6: Final answer
    x = 54,917.72

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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.