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Finding the Fourth Proportional to 2,934.14, 4,401.94 and 854.17

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Solution

The fourth proportional to 2,934.14, 4,401.94 and 854.17 is: 1,281.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934.14 : 4,401.94 = 854.17 : x
  2. Step 2: Convert to fraction form
    2,934.14/4,401.94 = 854.17/x
  3. Step 3: Cross multiply
    2,934.14x = 4,401.94 × 854.17
  4. Step 4: Simplify right side
    2,934.14x = 3,759,979.41
  5. Step 5: Solve for x
    x = 3,759,979.41/2,934.14
  6. Step 6: Final answer
    x = 1,281.46

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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.