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Finding the Fourth Proportional to 2,325.03, 3,486.38 and 764.97

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Solution

The fourth proportional to 2,325.03, 3,486.38 and 764.97 is: 1,147.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.03 : 3,486.38 = 764.97 : x
  2. Step 2: Convert to fraction form
    2,325.03/3,486.38 = 764.97/x
  3. Step 3: Cross multiply
    2,325.03x = 3,486.38 × 764.97
  4. Step 4: Simplify right side
    2,325.03x = 2,666,972.28
  5. Step 5: Solve for x
    x = 2,666,972.28/2,325.03
  6. Step 6: Final answer
    x = 1,147.07

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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.