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Finding the Fourth Proportional to 16,601.22, 22,897.98 and 9,881.68

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Solution

The fourth proportional to 16,601.22, 22,897.98 and 9,881.68 is: 13,629.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,601.22 : 22,897.98 = 9,881.68 : x
  2. Step 2: Convert to fraction form
    16,601.22/22,897.98 = 9,881.68/x
  3. Step 3: Cross multiply
    16,601.22x = 22,897.98 × 9,881.68
  4. Step 4: Simplify right side
    16,601.22x = 226,270,511.01
  5. Step 5: Solve for x
    x = 226,270,511.01/16,601.22
  6. Step 6: Final answer
    x = 13,629.75

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1.5x scale

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.