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Finding the Fourth Proportional to 5,252.20, 7,969.52 and 5,252.20

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Solution

The fourth proportional to 5,252.20, 7,969.52 and 5,252.20 is: 7,969.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.20 : 7,969.52 = 5,252.20 : x
  2. Step 2: Convert to fraction form
    5,252.20/7,969.52 = 5,252.20/x
  3. Step 3: Cross multiply
    5,252.20x = 7,969.52 × 5,252.20
  4. Step 4: Simplify right side
    5,252.20x = 41,857,512.94
  5. Step 5: Solve for x
    x = 41,857,512.94/5,252.20
  6. Step 6: Final answer
    x = 7,969.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.