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Finding the Fourth Proportional to 62,759.96, 86,583.68 and 40,093.08

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Solution

The fourth proportional to 62,759.96, 86,583.68 and 40,093.08 is: 55,312.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,759.96 : 86,583.68 = 40,093.08 : x
  2. Step 2: Convert to fraction form
    62,759.96/86,583.68 = 40,093.08/x
  3. Step 3: Cross multiply
    62,759.96x = 86,583.68 × 40,093.08
  4. Step 4: Simplify right side
    62,759.96x = 3,471,406,259.65
  5. Step 5: Solve for x
    x = 3,471,406,259.65/62,759.96
  6. Step 6: Final answer
    x = 55,312.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.