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Finding the Fourth Proportional to 4,993.63, 6,892.82 and 3,223.87

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Solution

The fourth proportional to 4,993.63, 6,892.82 and 3,223.87 is: 4,449.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.63 : 6,892.82 = 3,223.87 : x
  2. Step 2: Convert to fraction form
    4,993.63/6,892.82 = 3,223.87/x
  3. Step 3: Cross multiply
    4,993.63x = 6,892.82 × 3,223.87
  4. Step 4: Simplify right side
    4,993.63x = 22,221,534.35
  5. Step 5: Solve for x
    x = 22,221,534.35/4,993.63
  6. Step 6: Final answer
    x = 4,449.98

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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.