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Finding the Fourth Proportional to 4,612.46, 6,920.42 and 2,764.90

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Solution

The fourth proportional to 4,612.46, 6,920.42 and 2,764.90 is: 4,148.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,612.46 : 6,920.42 = 2,764.90 : x
  2. Step 2: Convert to fraction form
    4,612.46/6,920.42 = 2,764.90/x
  3. Step 3: Cross multiply
    4,612.46x = 6,920.42 × 2,764.90
  4. Step 4: Simplify right side
    4,612.46x = 19,134,220.83
  5. Step 5: Solve for x
    x = 19,134,220.83/4,612.46
  6. Step 6: Final answer
    x = 4,148.38

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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.