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Finding the Fourth Proportional to 3,425.00, 5,136.71 and 960.06

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Solution

The fourth proportional to 3,425.00, 5,136.71 and 960.06 is: 1,439.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.00 : 5,136.71 = 960.06 : x
  2. Step 2: Convert to fraction form
    3,425.00/5,136.71 = 960.06/x
  3. Step 3: Cross multiply
    3,425.00x = 5,136.71 × 960.06
  4. Step 4: Simplify right side
    3,425.00x = 4,931,545.00
  5. Step 5: Solve for x
    x = 4,931,545.00/3,425.00
  6. Step 6: Final answer
    x = 1,439.87

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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.