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Finding the Fourth Proportional to 3,053.26, 4,579.89 and 744.74

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Solution

The fourth proportional to 3,053.26, 4,579.89 and 744.74 is: 1,117.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,053.26 : 4,579.89 = 744.74 : x
  2. Step 2: Convert to fraction form
    3,053.26/4,579.89 = 744.74/x
  3. Step 3: Cross multiply
    3,053.26x = 4,579.89 × 744.74
  4. Step 4: Simplify right side
    3,053.26x = 3,410,827.28
  5. Step 5: Solve for x
    x = 3,410,827.28/3,053.26
  6. Step 6: Final answer
    x = 1,117.11

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Similar ratio
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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.