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Finding the Fourth Proportional to 3,028.16, 4,541.89 and 837.20

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Solution

The fourth proportional to 3,028.16, 4,541.89 and 837.20 is: 1,255.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.16 : 4,541.89 = 837.20 : x
  2. Step 2: Convert to fraction form
    3,028.16/4,541.89 = 837.20/x
  3. Step 3: Cross multiply
    3,028.16x = 4,541.89 × 837.20
  4. Step 4: Simplify right side
    3,028.16x = 3,802,447.60
  5. Step 5: Solve for x
    x = 3,802,447.60/3,028.16
  6. Step 6: Final answer
    x = 1,255.70

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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.