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Finding the Fourth Proportional to 57,699.81, 86,559.44 and 26,534.25

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Solution

The fourth proportional to 57,699.81, 86,559.44 and 26,534.25 is: 39,805.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,699.81 : 86,559.44 = 26,534.25 : x
  2. Step 2: Convert to fraction form
    57,699.81/86,559.44 = 26,534.25/x
  3. Step 3: Cross multiply
    57,699.81x = 86,559.44 × 26,534.25
  4. Step 4: Simplify right side
    57,699.81x = 2,296,789,688.15
  5. Step 5: Solve for x
    x = 2,296,789,688.15/57,699.81
  6. Step 6: Final answer
    x = 39,805.84

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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.