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Finding the Fourth Proportional to 2,325.54, 3,488.28 and 766.26

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Solution

The fourth proportional to 2,325.54, 3,488.28 and 766.26 is: 1,149.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.54 : 3,488.28 = 766.26 : x
  2. Step 2: Convert to fraction form
    2,325.54/3,488.28 = 766.26/x
  3. Step 3: Cross multiply
    2,325.54x = 3,488.28 × 766.26
  4. Step 4: Simplify right side
    2,325.54x = 2,672,929.43
  5. Step 5: Solve for x
    x = 2,672,929.43/2,325.54
  6. Step 6: Final answer
    x = 1,149.38

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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.