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Finding the Fourth Proportional to 5,564.90, 8,350.09 and 3,931.94

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Solution

The fourth proportional to 5,564.90, 8,350.09 and 3,931.94 is: 5,899.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,564.90 : 8,350.09 = 3,931.94 : x
  2. Step 2: Convert to fraction form
    5,564.90/8,350.09 = 3,931.94/x
  3. Step 3: Cross multiply
    5,564.90x = 8,350.09 × 3,931.94
  4. Step 4: Simplify right side
    5,564.90x = 32,832,063.92
  5. Step 5: Solve for x
    x = 32,832,063.92/5,564.90
  6. Step 6: Final answer
    x = 5,899.85

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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.