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Finding the Fourth Proportional to 22,289.97, 30,754.03 and 13,788.01

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Solution

The fourth proportional to 22,289.97, 30,754.03 and 13,788.01 is: 19,023.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,289.97 : 30,754.03 = 13,788.01 : x
  2. Step 2: Convert to fraction form
    22,289.97/30,754.03 = 13,788.01/x
  3. Step 3: Cross multiply
    22,289.97x = 30,754.03 × 13,788.01
  4. Step 4: Simplify right side
    22,289.97x = 424,036,873.18
  5. Step 5: Solve for x
    x = 424,036,873.18/22,289.97
  6. Step 6: Final answer
    x = 19,023.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.