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Finding the Fourth Proportional to 3,495.51, 5,242.68 and 996.44

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Solution

The fourth proportional to 3,495.51, 5,242.68 and 996.44 is: 1,494.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,495.51 : 5,242.68 = 996.44 : x
  2. Step 2: Convert to fraction form
    3,495.51/5,242.68 = 996.44/x
  3. Step 3: Cross multiply
    3,495.51x = 5,242.68 × 996.44
  4. Step 4: Simplify right side
    3,495.51x = 5,223,989.85
  5. Step 5: Solve for x
    x = 5,223,989.85/3,495.51
  6. Step 6: Final answer
    x = 1,494.49

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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.