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Finding the Fourth Proportional to 16,475.64, 24,716.64 and 5,379.35

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Solution

The fourth proportional to 16,475.64, 24,716.64 and 5,379.35 is: 8,070.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,475.64 : 24,716.64 = 5,379.35 : x
  2. Step 2: Convert to fraction form
    16,475.64/24,716.64 = 5,379.35/x
  3. Step 3: Cross multiply
    16,475.64x = 24,716.64 × 5,379.35
  4. Step 4: Simplify right side
    16,475.64x = 132,959,353.97
  5. Step 5: Solve for x
    x = 132,959,353.97/16,475.64
  6. Step 6: Final answer
    x = 8,070.06

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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.