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Finding the Fourth Proportional to 2,568.84, 3,853.08 and 837.24

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Solution

The fourth proportional to 2,568.84, 3,853.08 and 837.24 is: 1,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568.84 : 3,853.08 = 837.24 : x
  2. Step 2: Convert to fraction form
    2,568.84/3,853.08 = 837.24/x
  3. Step 3: Cross multiply
    2,568.84x = 3,853.08 × 837.24
  4. Step 4: Simplify right side
    2,568.84x = 3,225,952.70
  5. Step 5: Solve for x
    x = 3,225,952.70/2,568.84
  6. Step 6: Final answer
    x = 1,255.80

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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.