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Finding the Fourth Proportional to 57,352.93, 86,026.35 and 17,905.53

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Solution

The fourth proportional to 57,352.93, 86,026.35 and 17,905.53 is: 26,857.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,352.93 : 86,026.35 = 17,905.53 : x
  2. Step 2: Convert to fraction form
    57,352.93/86,026.35 = 17,905.53/x
  3. Step 3: Cross multiply
    57,352.93x = 86,026.35 × 17,905.53
  4. Step 4: Simplify right side
    57,352.93x = 1,540,347,390.72
  5. Step 5: Solve for x
    x = 1,540,347,390.72/57,352.93
  6. Step 6: Final answer
    x = 26,857.34

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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.