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Finding the Fourth Proportional to 3,150.52, 4,725.78 and 959.24

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Solution

The fourth proportional to 3,150.52, 4,725.78 and 959.24 is: 1,438.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.52 : 4,725.78 = 959.24 : x
  2. Step 2: Convert to fraction form
    3,150.52/4,725.78 = 959.24/x
  3. Step 3: Cross multiply
    3,150.52x = 4,725.78 × 959.24
  4. Step 4: Simplify right side
    3,150.52x = 4,533,157.21
  5. Step 5: Solve for x
    x = 4,533,157.21/3,150.52
  6. Step 6: Final answer
    x = 1,438.86

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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.