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Finding the Fourth Proportional to 4,940.16, 7,412.16 and 2,993.76

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Solution

The fourth proportional to 4,940.16, 7,412.16 and 2,993.76 is: 4,491.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.16 : 7,412.16 = 2,993.76 : x
  2. Step 2: Convert to fraction form
    4,940.16/7,412.16 = 2,993.76/x
  3. Step 3: Cross multiply
    4,940.16x = 7,412.16 × 2,993.76
  4. Step 4: Simplify right side
    4,940.16x = 22,190,228.12
  5. Step 5: Solve for x
    x = 22,190,228.12/4,940.16
  6. Step 6: Final answer
    x = 4,491.80

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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.