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Finding the Fourth Proportional to 2,321.48, 3,464.17 and 2,114.48

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Solution

The fourth proportional to 2,321.48, 3,464.17 and 2,114.48 is: 3,155.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.48 : 3,464.17 = 2,114.48 : x
  2. Step 2: Convert to fraction form
    2,321.48/3,464.17 = 2,114.48/x
  3. Step 3: Cross multiply
    2,321.48x = 3,464.17 × 2,114.48
  4. Step 4: Simplify right side
    2,321.48x = 7,324,918.18
  5. Step 5: Solve for x
    x = 7,324,918.18/2,321.48
  6. Step 6: Final answer
    x = 3,155.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.