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Finding the Fourth Proportional to 2,474.92, 3,415.80 and 1,884.34

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Solution

The fourth proportional to 2,474.92, 3,415.80 and 1,884.34 is: 2,600.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,474.92 : 3,415.80 = 1,884.34 : x
  2. Step 2: Convert to fraction form
    2,474.92/3,415.80 = 1,884.34/x
  3. Step 3: Cross multiply
    2,474.92x = 3,415.80 × 1,884.34
  4. Step 4: Simplify right side
    2,474.92x = 6,436,528.57
  5. Step 5: Solve for x
    x = 6,436,528.57/2,474.92
  6. Step 6: Final answer
    x = 2,600.70

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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.