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Finding the Fourth Proportional to 51,647.62, 77,305.33 and 26,653.62

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Solution

The fourth proportional to 51,647.62, 77,305.33 and 26,653.62 is: 39,894.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,647.62 : 77,305.33 = 26,653.62 : x
  2. Step 2: Convert to fraction form
    51,647.62/77,305.33 = 26,653.62/x
  3. Step 3: Cross multiply
    51,647.62x = 77,305.33 × 26,653.62
  4. Step 4: Simplify right side
    51,647.62x = 2,060,466,629.90
  5. Step 5: Solve for x
    x = 2,060,466,629.90/51,647.62
  6. Step 6: Final answer
    x = 39,894.71

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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.