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Finding the Fourth Proportional to 16,610.82, 22,918.02 and 9,893.10

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Solution

The fourth proportional to 16,610.82, 22,918.02 and 9,893.10 is: 13,649.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,610.82 : 22,918.02 = 9,893.10 : x
  2. Step 2: Convert to fraction form
    16,610.82/22,918.02 = 9,893.10/x
  3. Step 3: Cross multiply
    16,610.82x = 22,918.02 × 9,893.10
  4. Step 4: Simplify right side
    16,610.82x = 226,730,263.66
  5. Step 5: Solve for x
    x = 226,730,263.66/16,610.82
  6. Step 6: Final answer
    x = 13,649.55

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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.