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Finding the Fourth Proportional to 3,685.52, 5,528.24 and 949.52

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Solution

The fourth proportional to 3,685.52, 5,528.24 and 949.52 is: 1,424.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.52 : 5,528.24 = 949.52 : x
  2. Step 2: Convert to fraction form
    3,685.52/5,528.24 = 949.52/x
  3. Step 3: Cross multiply
    3,685.52x = 5,528.24 × 949.52
  4. Step 4: Simplify right side
    3,685.52x = 5,249,174.44
  5. Step 5: Solve for x
    x = 5,249,174.44/3,685.52
  6. Step 6: Final answer
    x = 1,424.27

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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.