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Finding the Fourth Proportional to 3,473.86, 4,794.78 and 2,913.46

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Solution

The fourth proportional to 3,473.86, 4,794.78 and 2,913.46 is: 4,021.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,473.86 : 4,794.78 = 2,913.46 : x
  2. Step 2: Convert to fraction form
    3,473.86/4,794.78 = 2,913.46/x
  3. Step 3: Cross multiply
    3,473.86x = 4,794.78 × 2,913.46
  4. Step 4: Simplify right side
    3,473.86x = 13,969,399.74
  5. Step 5: Solve for x
    x = 13,969,399.74/3,473.86
  6. Step 6: Final answer
    x = 4,021.29

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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.