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Finding the Fourth Proportional to 16,652.22, 22,980.37 and 9,936.56

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Solution

The fourth proportional to 16,652.22, 22,980.37 and 9,936.56 is: 13,712.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,652.22 : 22,980.37 = 9,936.56 : x
  2. Step 2: Convert to fraction form
    16,652.22/22,980.37 = 9,936.56/x
  3. Step 3: Cross multiply
    16,652.22x = 22,980.37 × 9,936.56
  4. Step 4: Simplify right side
    16,652.22x = 228,345,825.33
  5. Step 5: Solve for x
    x = 228,345,825.33/16,652.22
  6. Step 6: Final answer
    x = 13,712.64

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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.