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Finding the Fourth Proportional to 16,417.22, 22,655.46 and 9,343.48

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Solution

The fourth proportional to 16,417.22, 22,655.46 and 9,343.48 is: 12,893.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,417.22 : 22,655.46 = 9,343.48 : x
  2. Step 2: Convert to fraction form
    16,417.22/22,655.46 = 9,343.48/x
  3. Step 3: Cross multiply
    16,417.22x = 22,655.46 × 9,343.48
  4. Step 4: Simplify right side
    16,417.22x = 211,680,837.40
  5. Step 5: Solve for x
    x = 211,680,837.40/16,417.22
  6. Step 6: Final answer
    x = 12,893.83

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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.