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Finding the Fourth Proportional to 3,369.54, 5,053.89 and 904.56

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Solution

The fourth proportional to 3,369.54, 5,053.89 and 904.56 is: 1,356.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.54 : 5,053.89 = 904.56 : x
  2. Step 2: Convert to fraction form
    3,369.54/5,053.89 = 904.56/x
  3. Step 3: Cross multiply
    3,369.54x = 5,053.89 × 904.56
  4. Step 4: Simplify right side
    3,369.54x = 4,571,546.74
  5. Step 5: Solve for x
    x = 4,571,546.74/3,369.54
  6. Step 6: Final answer
    x = 1,356.73

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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.