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Finding the Fourth Proportional to 3,472.24, 4,788.98 and 3,074.33

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Solution

The fourth proportional to 3,472.24, 4,788.98 and 3,074.33 is: 4,240.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.24 : 4,788.98 = 3,074.33 : x
  2. Step 2: Convert to fraction form
    3,472.24/4,788.98 = 3,074.33/x
  3. Step 3: Cross multiply
    3,472.24x = 4,788.98 × 3,074.33
  4. Step 4: Simplify right side
    3,472.24x = 14,722,880.94
  5. Step 5: Solve for x
    x = 14,722,880.94/3,472.24
  6. Step 6: Final answer
    x = 4,240.17

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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.