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Finding the Fourth Proportional to 3,611.66, 4,984.19 and 2,018.24

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Solution

The fourth proportional to 3,611.66, 4,984.19 and 2,018.24 is: 2,785.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.66 : 4,984.19 = 2,018.24 : x
  2. Step 2: Convert to fraction form
    3,611.66/4,984.19 = 2,018.24/x
  3. Step 3: Cross multiply
    3,611.66x = 4,984.19 × 2,018.24
  4. Step 4: Simplify right side
    3,611.66x = 10,059,291.63
  5. Step 5: Solve for x
    x = 10,059,291.63/3,611.66
  6. Step 6: Final answer
    x = 2,785.23

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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.