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Finding the Fourth Proportional to 16,012.57, 22,103.40 and 12,600.73

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Solution

The fourth proportional to 16,012.57, 22,103.40 and 12,600.73 is: 17,393.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,012.57 : 22,103.40 = 12,600.73 : x
  2. Step 2: Convert to fraction form
    16,012.57/22,103.40 = 12,600.73/x
  3. Step 3: Cross multiply
    16,012.57x = 22,103.40 × 12,600.73
  4. Step 4: Simplify right side
    16,012.57x = 278,518,975.48
  5. Step 5: Solve for x
    x = 278,518,975.48/16,012.57
  6. Step 6: Final answer
    x = 17,393.77

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