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Finding the Fourth Proportional to 61,801.77, 92,702.64 and 28,511.97

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Solution

The fourth proportional to 61,801.77, 92,702.64 and 28,511.97 is: 42,767.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,801.77 : 92,702.64 = 28,511.97 : x
  2. Step 2: Convert to fraction form
    61,801.77/92,702.64 = 28,511.97/x
  3. Step 3: Cross multiply
    61,801.77x = 92,702.64 × 28,511.97
  4. Step 4: Simplify right side
    61,801.77x = 2,643,134,890.60
  5. Step 5: Solve for x
    x = 2,643,134,890.60/61,801.77
  6. Step 6: Final answer
    x = 42,767.95

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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.