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Finding the Fourth Proportional to 22,493.79, 33,739.13 and 13,710.29

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Solution

The fourth proportional to 22,493.79, 33,739.13 and 13,710.29 is: 20,564.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,493.79 : 33,739.13 = 13,710.29 : x
  2. Step 2: Convert to fraction form
    22,493.79/33,739.13 = 13,710.29/x
  3. Step 3: Cross multiply
    22,493.79x = 33,739.13 × 13,710.29
  4. Step 4: Simplify right side
    22,493.79x = 462,573,122.23
  5. Step 5: Solve for x
    x = 462,573,122.23/22,493.79
  6. Step 6: Final answer
    x = 20,564.48

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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.