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Finding the Fourth Proportional to 16,383.74, 24,555.08 and 7,012.78

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Solution

The fourth proportional to 16,383.74, 24,555.08 and 7,012.78 is: 10,510.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,383.74 : 24,555.08 = 7,012.78 : x
  2. Step 2: Convert to fraction form
    16,383.74/24,555.08 = 7,012.78/x
  3. Step 3: Cross multiply
    16,383.74x = 24,555.08 × 7,012.78
  4. Step 4: Simplify right side
    16,383.74x = 172,199,216.08
  5. Step 5: Solve for x
    x = 172,199,216.08/16,383.74
  6. Step 6: Final answer
    x = 10,510.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.