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Finding the Fourth Proportional to 2,296.40, 3,442.58 and 910.71

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Solution

The fourth proportional to 2,296.40, 3,442.58 and 910.71 is: 1,365.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,296.40 : 3,442.58 = 910.71 : x
  2. Step 2: Convert to fraction form
    2,296.40/3,442.58 = 910.71/x
  3. Step 3: Cross multiply
    2,296.40x = 3,442.58 × 910.71
  4. Step 4: Simplify right side
    2,296.40x = 3,135,174.57
  5. Step 5: Solve for x
    x = 3,135,174.57/2,296.40
  6. Step 6: Final answer
    x = 1,365.26

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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.