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Finding the Fourth Proportional to 4,945.04, 6,825.20 and 3,266.65

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Solution

The fourth proportional to 4,945.04, 6,825.20 and 3,266.65 is: 4,508.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.04 : 6,825.20 = 3,266.65 : x
  2. Step 2: Convert to fraction form
    4,945.04/6,825.20 = 3,266.65/x
  3. Step 3: Cross multiply
    4,945.04x = 6,825.20 × 3,266.65
  4. Step 4: Simplify right side
    4,945.04x = 22,295,539.58
  5. Step 5: Solve for x
    x = 22,295,539.58/4,945.04
  6. Step 6: Final answer
    x = 4,508.67

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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.