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Finding the Fourth Proportional to 8,903.94, 13,366.22 and 5,208.83

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Solution

The fourth proportional to 8,903.94, 13,366.22 and 5,208.83 is: 7,819.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903.94 : 13,366.22 = 5,208.83 : x
  2. Step 2: Convert to fraction form
    8,903.94/13,366.22 = 5,208.83/x
  3. Step 3: Cross multiply
    8,903.94x = 13,366.22 × 5,208.83
  4. Step 4: Simplify right side
    8,903.94x = 69,622,274.85
  5. Step 5: Solve for x
    x = 69,622,274.85/8,903.94
  6. Step 6: Final answer
    x = 7,819.27

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1.5x scale

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.