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Finding the Fourth Proportional to 16,335.18, 22,535.79 and 9,699.66

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Solution

The fourth proportional to 16,335.18, 22,535.79 and 9,699.66 is: 13,381.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,335.18 : 22,535.79 = 9,699.66 : x
  2. Step 2: Convert to fraction form
    16,335.18/22,535.79 = 9,699.66/x
  3. Step 3: Cross multiply
    16,335.18x = 22,535.79 × 9,699.66
  4. Step 4: Simplify right side
    16,335.18x = 218,589,500.83
  5. Step 5: Solve for x
    x = 218,589,500.83/16,335.18
  6. Step 6: Final answer
    x = 13,381.52

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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.