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Finding the Fourth Proportional to 3,611.44, 4,983.72 and 2,017.98

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Solution

The fourth proportional to 3,611.44, 4,983.72 and 2,017.98 is: 2,784.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.44 : 4,983.72 = 2,017.98 : x
  2. Step 2: Convert to fraction form
    3,611.44/4,983.72 = 2,017.98/x
  3. Step 3: Cross multiply
    3,611.44x = 4,983.72 × 2,017.98
  4. Step 4: Simplify right side
    3,611.44x = 10,057,047.29
  5. Step 5: Solve for x
    x = 10,057,047.29/3,611.44
  6. Step 6: Final answer
    x = 2,784.77

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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.