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Finding the Fourth Proportional to 16,420.36, 24,634.01 and 5,326.19

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Solution

The fourth proportional to 16,420.36, 24,634.01 and 5,326.19 is: 7,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,420.36 : 24,634.01 = 5,326.19 : x
  2. Step 2: Convert to fraction form
    16,420.36/24,634.01 = 5,326.19/x
  3. Step 3: Cross multiply
    16,420.36x = 24,634.01 × 5,326.19
  4. Step 4: Simplify right side
    16,420.36x = 131,205,267.92
  5. Step 5: Solve for x
    x = 131,205,267.92/16,420.36
  6. Step 6: Final answer
    x = 7,990.40

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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.