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Finding the Fourth Proportional to 2,492.64, 3,440.17 and 1,611.02

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Solution

The fourth proportional to 2,492.64, 3,440.17 and 1,611.02 is: 2,223.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.64 : 3,440.17 = 1,611.02 : x
  2. Step 2: Convert to fraction form
    2,492.64/3,440.17 = 1,611.02/x
  3. Step 3: Cross multiply
    2,492.64x = 3,440.17 × 1,611.02
  4. Step 4: Simplify right side
    2,492.64x = 5,542,193.29
  5. Step 5: Solve for x
    x = 5,542,193.29/2,492.64
  6. Step 6: Final answer
    x = 2,223.42

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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.