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Finding the Fourth Proportional to 8,794.52, 13,190.56 and 2,220.30

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Solution

The fourth proportional to 8,794.52, 13,190.56 and 2,220.30 is: 3,330.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794.52 : 13,190.56 = 2,220.30 : x
  2. Step 2: Convert to fraction form
    8,794.52/13,190.56 = 2,220.30/x
  3. Step 3: Cross multiply
    8,794.52x = 13,190.56 × 2,220.30
  4. Step 4: Simplify right side
    8,794.52x = 29,287,000.37
  5. Step 5: Solve for x
    x = 29,287,000.37/8,794.52
  6. Step 6: Final answer
    x = 3,330.14

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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.