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Finding the Fourth Proportional to 62,896.88, 94,389.07 and 40,655.09

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Solution

The fourth proportional to 62,896.88, 94,389.07 and 40,655.09 is: 61,010.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,896.88 : 94,389.07 = 40,655.09 : x
  2. Step 2: Convert to fraction form
    62,896.88/94,389.07 = 40,655.09/x
  3. Step 3: Cross multiply
    62,896.88x = 94,389.07 × 40,655.09
  4. Step 4: Simplify right side
    62,896.88x = 3,837,396,337.37
  5. Step 5: Solve for x
    x = 3,837,396,337.37/62,896.88
  6. Step 6: Final answer
    x = 61,010.91

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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.