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Finding the Fourth Proportional to 3,073.02, 4,609.26 and 1,021.02

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Solution

The fourth proportional to 3,073.02, 4,609.26 and 1,021.02 is: 1,531.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.02 : 4,609.26 = 1,021.02 : x
  2. Step 2: Convert to fraction form
    3,073.02/4,609.26 = 1,021.02/x
  3. Step 3: Cross multiply
    3,073.02x = 4,609.26 × 1,021.02
  4. Step 4: Simplify right side
    3,073.02x = 4,706,146.65
  5. Step 5: Solve for x
    x = 4,706,146.65/3,073.02
  6. Step 6: Final answer
    x = 1,531.44

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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.