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Finding the Fourth Proportional to 3,069.31, 4,601.31 and 1,425.01

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Solution

The fourth proportional to 3,069.31, 4,601.31 and 1,425.01 is: 2,136.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.31 : 4,601.31 = 1,425.01 : x
  2. Step 2: Convert to fraction form
    3,069.31/4,601.31 = 1,425.01/x
  3. Step 3: Cross multiply
    3,069.31x = 4,601.31 × 1,425.01
  4. Step 4: Simplify right side
    3,069.31x = 6,556,912.76
  5. Step 5: Solve for x
    x = 6,556,912.76/3,069.31
  6. Step 6: Final answer
    x = 2,136.28

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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.