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Finding the Fourth Proportional to 57,706.98, 86,559.56 and 29,610.81

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Solution

The fourth proportional to 57,706.98, 86,559.56 and 29,610.81 is: 44,415.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,706.98 : 86,559.56 = 29,610.81 : x
  2. Step 2: Convert to fraction form
    57,706.98/86,559.56 = 29,610.81/x
  3. Step 3: Cross multiply
    57,706.98x = 86,559.56 × 29,610.81
  4. Step 4: Simplify right side
    57,706.98x = 2,563,098,536.79
  5. Step 5: Solve for x
    x = 2,563,098,536.79/57,706.98
  6. Step 6: Final answer
    x = 44,415.75

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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.