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Finding the Fourth Proportional to 16,419.59, 24,629.04 and 5,326.94

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Solution

The fourth proportional to 16,419.59, 24,629.04 and 5,326.94 is: 7,990.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,419.59 : 24,629.04 = 5,326.94 : x
  2. Step 2: Convert to fraction form
    16,419.59/24,629.04 = 5,326.94/x
  3. Step 3: Cross multiply
    16,419.59x = 24,629.04 × 5,326.94
  4. Step 4: Simplify right side
    16,419.59x = 131,197,395.66
  5. Step 5: Solve for x
    x = 131,197,395.66/16,419.59
  6. Step 6: Final answer
    x = 7,990.30

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Why These Related Problems?

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