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Finding the Fourth Proportional to 3,174.46, 4,762.02 and 1,227.46

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Solution

The fourth proportional to 3,174.46, 4,762.02 and 1,227.46 is: 1,841.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.46 : 4,762.02 = 1,227.46 : x
  2. Step 2: Convert to fraction form
    3,174.46/4,762.02 = 1,227.46/x
  3. Step 3: Cross multiply
    3,174.46x = 4,762.02 × 1,227.46
  4. Step 4: Simplify right side
    3,174.46x = 5,845,189.07
  5. Step 5: Solve for x
    x = 5,845,189.07/3,174.46
  6. Step 6: Final answer
    x = 1,841.32

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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.