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Finding the Fourth Proportional to 2,482.60, 3,718.04 and 2,156.22

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Solution

The fourth proportional to 2,482.60, 3,718.04 and 2,156.22 is: 3,229.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,482.60 : 3,718.04 = 2,156.22 : x
  2. Step 2: Convert to fraction form
    2,482.60/3,718.04 = 2,156.22/x
  3. Step 3: Cross multiply
    2,482.60x = 3,718.04 × 2,156.22
  4. Step 4: Simplify right side
    2,482.60x = 8,016,912.21
  5. Step 5: Solve for x
    x = 8,016,912.21/2,482.60
  6. Step 6: Final answer
    x = 3,229.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.