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Finding the Fourth Proportional to 3,473.08, 4,793 and 1,980.92

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Solution

The fourth proportional to 3,473.08, 4,793 and 1,980.92 is: 2,733.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,473.08 : 4,793 = 1,980.92 : x
  2. Step 2: Convert to fraction form
    3,473.08/4,793 = 1,980.92/x
  3. Step 3: Cross multiply
    3,473.08x = 4,793 × 1,980.92
  4. Step 4: Simplify right side
    3,473.08x = 9,494,549.56
  5. Step 5: Solve for x
    x = 9,494,549.56/3,473.08
  6. Step 6: Final answer
    x = 2,733.75

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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.