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Finding the Fourth Proportional to 2,783.94, 4,176.27 and 934.44

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Solution

The fourth proportional to 2,783.94, 4,176.27 and 934.44 is: 1,401.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.94 : 4,176.27 = 934.44 : x
  2. Step 2: Convert to fraction form
    2,783.94/4,176.27 = 934.44/x
  3. Step 3: Cross multiply
    2,783.94x = 4,176.27 × 934.44
  4. Step 4: Simplify right side
    2,783.94x = 3,902,473.74
  5. Step 5: Solve for x
    x = 3,902,473.74/2,783.94
  6. Step 6: Final answer
    x = 1,401.78

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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.