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Finding the Fourth Proportional to 16,770.40, 23,138.09 and 10,053.58

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Solution

The fourth proportional to 16,770.40, 23,138.09 and 10,053.58 is: 13,870.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770.40 : 23,138.09 = 10,053.58 : x
  2. Step 2: Convert to fraction form
    16,770.40/23,138.09 = 10,053.58/x
  3. Step 3: Cross multiply
    16,770.40x = 23,138.09 × 10,053.58
  4. Step 4: Simplify right side
    16,770.40x = 232,620,606.15
  5. Step 5: Solve for x
    x = 232,620,606.15/16,770.40
  6. Step 6: Final answer
    x = 13,870.91

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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.