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Finding the Fourth Proportional to 6,622.70, 9,941.34 and 5,244.90

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Solution

The fourth proportional to 6,622.70, 9,941.34 and 5,244.90 is: 7,873.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622.70 : 9,941.34 = 5,244.90 : x
  2. Step 2: Convert to fraction form
    6,622.70/9,941.34 = 5,244.90/x
  3. Step 3: Cross multiply
    6,622.70x = 9,941.34 × 5,244.90
  4. Step 4: Simplify right side
    6,622.70x = 52,141,334.17
  5. Step 5: Solve for x
    x = 52,141,334.17/6,622.70
  6. Step 6: Final answer
    x = 7,873.12

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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.