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Finding the Fourth Proportional to 2,934.24, 4,401.52 and 742.99

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Solution

The fourth proportional to 2,934.24, 4,401.52 and 742.99 is: 1,114.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934.24 : 4,401.52 = 742.99 : x
  2. Step 2: Convert to fraction form
    2,934.24/4,401.52 = 742.99/x
  3. Step 3: Cross multiply
    2,934.24x = 4,401.52 × 742.99
  4. Step 4: Simplify right side
    2,934.24x = 3,270,284.92
  5. Step 5: Solve for x
    x = 3,270,284.92/2,934.24
  6. Step 6: Final answer
    x = 1,114.52

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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.