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Finding the Fourth Proportional to 6,646.08, 9,969.20 and 2,263.20

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Solution

The fourth proportional to 6,646.08, 9,969.20 and 2,263.20 is: 3,394.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,646.08 : 9,969.20 = 2,263.20 : x
  2. Step 2: Convert to fraction form
    6,646.08/9,969.20 = 2,263.20/x
  3. Step 3: Cross multiply
    6,646.08x = 9,969.20 × 2,263.20
  4. Step 4: Simplify right side
    6,646.08x = 22,562,293.44
  5. Step 5: Solve for x
    x = 22,562,293.44/6,646.08
  6. Step 6: Final answer
    x = 3,394.83

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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.