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Finding the Fourth Proportional to 57,346.02, 86,019.03 and 17,906.51

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Solution

The fourth proportional to 57,346.02, 86,019.03 and 17,906.51 is: 26,859.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,346.02 : 86,019.03 = 17,906.51 : x
  2. Step 2: Convert to fraction form
    57,346.02/86,019.03 = 17,906.51/x
  3. Step 3: Cross multiply
    57,346.02x = 86,019.03 × 17,906.51
  4. Step 4: Simplify right side
    57,346.02x = 1,540,300,835.93
  5. Step 5: Solve for x
    x = 1,540,300,835.93/57,346.02
  6. Step 6: Final answer
    x = 26,859.77

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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.