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Finding the Fourth Proportional to 2,833.79, 4,250.88 and 885.94

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Solution

The fourth proportional to 2,833.79, 4,250.88 and 885.94 is: 1,328.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,833.79 : 4,250.88 = 885.94 : x
  2. Step 2: Convert to fraction form
    2,833.79/4,250.88 = 885.94/x
  3. Step 3: Cross multiply
    2,833.79x = 4,250.88 × 885.94
  4. Step 4: Simplify right side
    2,833.79x = 3,766,014
  5. Step 5: Solve for x
    x = 3,766,014/2,833.79
  6. Step 6: Final answer
    x = 1,328.97

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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.