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Finding the Fourth Proportional to 61,758.87, 92,651.40 and 23,809.12

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Solution

The fourth proportional to 61,758.87, 92,651.40 and 23,809.12 is: 35,718.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,758.87 : 92,651.40 = 23,809.12 : x
  2. Step 2: Convert to fraction form
    61,758.87/92,651.40 = 23,809.12/x
  3. Step 3: Cross multiply
    61,758.87x = 92,651.40 × 23,809.12
  4. Step 4: Simplify right side
    61,758.87x = 2,205,948,416.58
  5. Step 5: Solve for x
    x = 2,205,948,416.58/61,758.87
  6. Step 6: Final answer
    x = 35,718.73

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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.