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Finding the Fourth Proportional to 4,970.24, 7,446.72 and 3,674.24

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Solution

The fourth proportional to 4,970.24, 7,446.72 and 3,674.24 is: 5,504.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.24 : 7,446.72 = 3,674.24 : x
  2. Step 2: Convert to fraction form
    4,970.24/7,446.72 = 3,674.24/x
  3. Step 3: Cross multiply
    4,970.24x = 7,446.72 × 3,674.24
  4. Step 4: Simplify right side
    4,970.24x = 27,361,036.49
  5. Step 5: Solve for x
    x = 27,361,036.49/4,970.24
  6. Step 6: Final answer
    x = 5,504.97

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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.