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Finding the Fourth Proportional to 2,993.88, 4,495.68 and 2,253.60

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Solution

The fourth proportional to 2,993.88, 4,495.68 and 2,253.60 is: 3,384.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.88 : 4,495.68 = 2,253.60 : x
  2. Step 2: Convert to fraction form
    2,993.88/4,495.68 = 2,253.60/x
  3. Step 3: Cross multiply
    2,993.88x = 4,495.68 × 2,253.60
  4. Step 4: Simplify right side
    2,993.88x = 10,131,464.45
  5. Step 5: Solve for x
    x = 10,131,464.45/2,993.88
  6. Step 6: Final answer
    x = 3,384.06

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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.