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Finding the Fourth Proportional to 2,568.96, 3,852.63 and 837.18

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Solution

The fourth proportional to 2,568.96, 3,852.63 and 837.18 is: 1,255.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568.96 : 3,852.63 = 837.18 : x
  2. Step 2: Convert to fraction form
    2,568.96/3,852.63 = 837.18/x
  3. Step 3: Cross multiply
    2,568.96x = 3,852.63 × 837.18
  4. Step 4: Simplify right side
    2,568.96x = 3,225,344.78
  5. Step 5: Solve for x
    x = 3,225,344.78/2,568.96
  6. Step 6: Final answer
    x = 1,255.51

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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.