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Finding the Fourth Proportional to 57,495.03, 86,242.14 and 15,942.03

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Solution

The fourth proportional to 57,495.03, 86,242.14 and 15,942.03 is: 23,912.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,495.03 : 86,242.14 = 15,942.03 : x
  2. Step 2: Convert to fraction form
    57,495.03/86,242.14 = 15,942.03/x
  3. Step 3: Cross multiply
    57,495.03x = 86,242.14 × 15,942.03
  4. Step 4: Simplify right side
    57,495.03x = 1,374,874,783.14
  5. Step 5: Solve for x
    x = 1,374,874,783.14/57,495.03
  6. Step 6: Final answer
    x = 23,912.93

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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.