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Finding the Fourth Proportional to 3,611.16, 4,983.33 and 2,017.83

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Solution

The fourth proportional to 3,611.16, 4,983.33 and 2,017.83 is: 2,784.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.16 : 4,983.33 = 2,017.83 : x
  2. Step 2: Convert to fraction form
    3,611.16/4,983.33 = 2,017.83/x
  3. Step 3: Cross multiply
    3,611.16x = 4,983.33 × 2,017.83
  4. Step 4: Simplify right side
    3,611.16x = 10,055,501.65
  5. Step 5: Solve for x
    x = 10,055,501.65/3,611.16
  6. Step 6: Final answer
    x = 2,784.57

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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.