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Finding the Fourth Proportional to 2,522.26, 3,783.93 and 790.75

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Solution

The fourth proportional to 2,522.26, 3,783.93 and 790.75 is: 1,186.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,522.26 : 3,783.93 = 790.75 : x
  2. Step 2: Convert to fraction form
    2,522.26/3,783.93 = 790.75/x
  3. Step 3: Cross multiply
    2,522.26x = 3,783.93 × 790.75
  4. Step 4: Simplify right side
    2,522.26x = 2,992,142.65
  5. Step 5: Solve for x
    x = 2,992,142.65/2,522.26
  6. Step 6: Final answer
    x = 1,186.29

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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.