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Finding the Fourth Proportional to 3,566.92, 4,922.22 and 2,520.40

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Solution

The fourth proportional to 3,566.92, 4,922.22 and 2,520.40 is: 3,478.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,566.92 : 4,922.22 = 2,520.40 : x
  2. Step 2: Convert to fraction form
    3,566.92/4,922.22 = 2,520.40/x
  3. Step 3: Cross multiply
    3,566.92x = 4,922.22 × 2,520.40
  4. Step 4: Simplify right side
    3,566.92x = 12,405,963.29
  5. Step 5: Solve for x
    x = 12,405,963.29/3,566.92
  6. Step 6: Final answer
    x = 3,478.06

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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.