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Finding the Fourth Proportional to 2,495.26, 3,742.56 and 740.44

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Solution

The fourth proportional to 2,495.26, 3,742.56 and 740.44 is: 1,110.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,495.26 : 3,742.56 = 740.44 : x
  2. Step 2: Convert to fraction form
    2,495.26/3,742.56 = 740.44/x
  3. Step 3: Cross multiply
    2,495.26x = 3,742.56 × 740.44
  4. Step 4: Simplify right side
    2,495.26x = 2,771,141.13
  5. Step 5: Solve for x
    x = 2,771,141.13/2,495.26
  6. Step 6: Final answer
    x = 1,110.56

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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.