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Finding the Fourth Proportional to 6,630.83, 9,945.60 and 2,247.77

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Solution

The fourth proportional to 6,630.83, 9,945.60 and 2,247.77 is: 3,371.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.83 : 9,945.60 = 2,247.77 : x
  2. Step 2: Convert to fraction form
    6,630.83/9,945.60 = 2,247.77/x
  3. Step 3: Cross multiply
    6,630.83x = 9,945.60 × 2,247.77
  4. Step 4: Simplify right side
    6,630.83x = 22,355,421.31
  5. Step 5: Solve for x
    x = 22,355,421.31/6,630.83
  6. Step 6: Final answer
    x = 3,371.44

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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.