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Finding the Fourth Proportional to 2,496.03, 3,744.45 and 764.25

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Solution

The fourth proportional to 2,496.03, 3,744.45 and 764.25 is: 1,146.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,496.03 : 3,744.45 = 764.25 : x
  2. Step 2: Convert to fraction form
    2,496.03/3,744.45 = 764.25/x
  3. Step 3: Cross multiply
    2,496.03x = 3,744.45 × 764.25
  4. Step 4: Simplify right side
    2,496.03x = 2,861,695.91
  5. Step 5: Solve for x
    x = 2,861,695.91/2,496.03
  6. Step 6: Final answer
    x = 1,146.50

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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.