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Finding the Fourth Proportional to 3,076.06, 4,614.06 and 767.56

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Solution

The fourth proportional to 3,076.06, 4,614.06 and 767.56 is: 1,151.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.06 : 4,614.06 = 767.56 : x
  2. Step 2: Convert to fraction form
    3,076.06/4,614.06 = 767.56/x
  3. Step 3: Cross multiply
    3,076.06x = 4,614.06 × 767.56
  4. Step 4: Simplify right side
    3,076.06x = 3,541,567.89
  5. Step 5: Solve for x
    x = 3,541,567.89/3,076.06
  6. Step 6: Final answer
    x = 1,151.33

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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.