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Finding the Fourth Proportional to 3,379.26, 5,068.09 and 914.25

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Solution

The fourth proportional to 3,379.26, 5,068.09 and 914.25 is: 1,371.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.26 : 5,068.09 = 914.25 : x
  2. Step 2: Convert to fraction form
    3,379.26/5,068.09 = 914.25/x
  3. Step 3: Cross multiply
    3,379.26x = 5,068.09 × 914.25
  4. Step 4: Simplify right side
    3,379.26x = 4,633,501.28
  5. Step 5: Solve for x
    x = 4,633,501.28/3,379.26
  6. Step 6: Final answer
    x = 1,371.16

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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.