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Finding the Fourth Proportional to 61,792.77, 92,716.85 and 28,494.99

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Solution

The fourth proportional to 61,792.77, 92,716.85 and 28,494.99 is: 42,755.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,792.77 : 92,716.85 = 28,494.99 : x
  2. Step 2: Convert to fraction form
    61,792.77/92,716.85 = 28,494.99/x
  3. Step 3: Cross multiply
    61,792.77x = 92,716.85 × 28,494.99
  4. Step 4: Simplify right side
    61,792.77x = 2,641,965,624.53
  5. Step 5: Solve for x
    x = 2,641,965,624.53/61,792.77
  6. Step 6: Final answer
    x = 42,755.25

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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.