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Finding the Fourth Proportional to 3,470.61, 4,791.03 and 2,213.39

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Solution

The fourth proportional to 3,470.61, 4,791.03 and 2,213.39 is: 3,055.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.61 : 4,791.03 = 2,213.39 : x
  2. Step 2: Convert to fraction form
    3,470.61/4,791.03 = 2,213.39/x
  3. Step 3: Cross multiply
    3,470.61x = 4,791.03 × 2,213.39
  4. Step 4: Simplify right side
    3,470.61x = 10,604,393.94
  5. Step 5: Solve for x
    x = 10,604,393.94/3,470.61
  6. Step 6: Final answer
    x = 3,055.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.