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Finding the Fourth Proportional to 2,607.01, 3,911.16 and 758.26

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Solution

The fourth proportional to 2,607.01, 3,911.16 and 758.26 is: 1,137.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607.01 : 3,911.16 = 758.26 : x
  2. Step 2: Convert to fraction form
    2,607.01/3,911.16 = 758.26/x
  3. Step 3: Cross multiply
    2,607.01x = 3,911.16 × 758.26
  4. Step 4: Simplify right side
    2,607.01x = 2,965,676.18
  5. Step 5: Solve for x
    x = 2,965,676.18/2,607.01
  6. Step 6: Final answer
    x = 1,137.58

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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.