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Finding the Fourth Proportional to 3,375.08, 4,654.08 and 3,107.24

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Solution

The fourth proportional to 3,375.08, 4,654.08 and 3,107.24 is: 4,284.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.08 : 4,654.08 = 3,107.24 : x
  2. Step 2: Convert to fraction form
    3,375.08/4,654.08 = 3,107.24/x
  3. Step 3: Cross multiply
    3,375.08x = 4,654.08 × 3,107.24
  4. Step 4: Simplify right side
    3,375.08x = 14,461,343.54
  5. Step 5: Solve for x
    x = 14,461,343.54/3,375.08
  6. Step 6: Final answer
    x = 4,284.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.