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Finding the Fourth Proportional to 16,461.21, 24,693.88 and 5,364.96

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Solution

The fourth proportional to 16,461.21, 24,693.88 and 5,364.96 is: 8,048.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,461.21 : 24,693.88 = 5,364.96 : x
  2. Step 2: Convert to fraction form
    16,461.21/24,693.88 = 5,364.96/x
  3. Step 3: Cross multiply
    16,461.21x = 24,693.88 × 5,364.96
  4. Step 4: Simplify right side
    16,461.21x = 132,481,678.44
  5. Step 5: Solve for x
    x = 132,481,678.44/16,461.21
  6. Step 6: Final answer
    x = 8,048.11

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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.