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Finding the Fourth Proportional to 3,523.08, 5,284.68 and 925.92

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Solution

The fourth proportional to 3,523.08, 5,284.68 and 925.92 is: 1,388.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.08 : 5,284.68 = 925.92 : x
  2. Step 2: Convert to fraction form
    3,523.08/5,284.68 = 925.92/x
  3. Step 3: Cross multiply
    3,523.08x = 5,284.68 × 925.92
  4. Step 4: Simplify right side
    3,523.08x = 4,893,190.91
  5. Step 5: Solve for x
    x = 4,893,190.91/3,523.08
  6. Step 6: Final answer
    x = 1,388.90

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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.