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Finding the Fourth Proportional to 2,246.98, 3,370.52 and 766.20

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Solution

The fourth proportional to 2,246.98, 3,370.52 and 766.20 is: 1,149.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,246.98 : 3,370.52 = 766.20 : x
  2. Step 2: Convert to fraction form
    2,246.98/3,370.52 = 766.20/x
  3. Step 3: Cross multiply
    2,246.98x = 3,370.52 × 766.20
  4. Step 4: Simplify right side
    2,246.98x = 2,582,492.42
  5. Step 5: Solve for x
    x = 2,582,492.42/2,246.98
  6. Step 6: Final answer
    x = 1,149.32

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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.