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Finding the Fourth Proportional to 57,493.83, 86,206.17 and 21,957.51

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Solution

The fourth proportional to 57,493.83, 86,206.17 and 21,957.51 is: 32,923.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,493.83 : 86,206.17 = 21,957.51 : x
  2. Step 2: Convert to fraction form
    57,493.83/86,206.17 = 21,957.51/x
  3. Step 3: Cross multiply
    57,493.83x = 86,206.17 × 21,957.51
  4. Step 4: Simplify right side
    57,493.83x = 1,892,872,839.84
  5. Step 5: Solve for x
    x = 1,892,872,839.84/57,493.83
  6. Step 6: Final answer
    x = 32,923.06

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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.