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Finding the Fourth Proportional to 56,207.84, 84,311.64 and 16,763.96

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Solution

The fourth proportional to 56,207.84, 84,311.64 and 16,763.96 is: 25,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,207.84 : 84,311.64 = 16,763.96 : x
  2. Step 2: Convert to fraction form
    56,207.84/84,311.64 = 16,763.96/x
  3. Step 3: Cross multiply
    56,207.84x = 84,311.64 × 16,763.96
  4. Step 4: Simplify right side
    56,207.84x = 1,413,396,960.49
  5. Step 5: Solve for x
    x = 1,413,396,960.49/56,207.84
  6. Step 6: Final answer
    x = 25,145.90

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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.