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Finding the Fourth Proportional to 7,469.74, 11,204.55 and 3,573.22

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Solution

The fourth proportional to 7,469.74, 11,204.55 and 3,573.22 is: 5,359.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,469.74 : 11,204.55 = 3,573.22 : x
  2. Step 2: Convert to fraction form
    7,469.74/11,204.55 = 3,573.22/x
  3. Step 3: Cross multiply
    7,469.74x = 11,204.55 × 3,573.22
  4. Step 4: Simplify right side
    7,469.74x = 40,036,322.15
  5. Step 5: Solve for x
    x = 40,036,322.15/7,469.74
  6. Step 6: Final answer
    x = 5,359.80

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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.