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Finding the Fourth Proportional to 61,793, 91,894.57 and 59,824.68

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Solution

The fourth proportional to 61,793, 91,894.57 and 59,824.68 is: 88,967.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,793 : 91,894.57 = 59,824.68 : x
  2. Step 2: Convert to fraction form
    61,793/91,894.57 = 59,824.68/x
  3. Step 3: Cross multiply
    61,793x = 91,894.57 × 59,824.68
  4. Step 4: Simplify right side
    61,793x = 5,497,563,243.99
  5. Step 5: Solve for x
    x = 5,497,563,243.99/61,793
  6. Step 6: Final answer
    x = 88,967.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.