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Finding the Fourth Proportional to 57,684.01, 86,535.51 and 17,701.99

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Solution

The fourth proportional to 57,684.01, 86,535.51 and 17,701.99 is: 26,555.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,684.01 : 86,535.51 = 17,701.99 : x
  2. Step 2: Convert to fraction form
    57,684.01/86,535.51 = 17,701.99/x
  3. Step 3: Cross multiply
    57,684.01x = 86,535.51 × 17,701.99
  4. Step 4: Simplify right side
    57,684.01x = 1,531,850,732.66
  5. Step 5: Solve for x
    x = 1,531,850,732.66/57,684.01
  6. Step 6: Final answer
    x = 26,555.90

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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.