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Finding the Fourth Proportional to 3,466.56, 5,200.48 and 2,978.24

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Solution

The fourth proportional to 3,466.56, 5,200.48 and 2,978.24 is: 4,467.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,466.56 : 5,200.48 = 2,978.24 : x
  2. Step 2: Convert to fraction form
    3,466.56/5,200.48 = 2,978.24/x
  3. Step 3: Cross multiply
    3,466.56x = 5,200.48 × 2,978.24
  4. Step 4: Simplify right side
    3,466.56x = 15,488,277.56
  5. Step 5: Solve for x
    x = 15,488,277.56/3,466.56
  6. Step 6: Final answer
    x = 4,467.91

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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.