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Finding the Fourth Proportional to 6,223.77, 8,584.92 and 3,704.16

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Solution

The fourth proportional to 6,223.77, 8,584.92 and 3,704.16 is: 5,109.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,223.77 : 8,584.92 = 3,704.16 : x
  2. Step 2: Convert to fraction form
    6,223.77/8,584.92 = 3,704.16/x
  3. Step 3: Cross multiply
    6,223.77x = 8,584.92 × 3,704.16
  4. Step 4: Simplify right side
    6,223.77x = 31,799,949.46
  5. Step 5: Solve for x
    x = 31,799,949.46/6,223.77
  6. Step 6: Final answer
    x = 5,109.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.