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Finding the Fourth Proportional to 7,629.03, 11,440.53 and 5,164.56

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Solution

The fourth proportional to 7,629.03, 11,440.53 and 5,164.56 is: 7,744.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.03 : 11,440.53 = 5,164.56 : x
  2. Step 2: Convert to fraction form
    7,629.03/11,440.53 = 5,164.56/x
  3. Step 3: Cross multiply
    7,629.03x = 11,440.53 × 5,164.56
  4. Step 4: Simplify right side
    7,629.03x = 59,085,303.62
  5. Step 5: Solve for x
    x = 59,085,303.62/7,629.03
  6. Step 6: Final answer
    x = 7,744.80

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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.