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Finding the Fourth Proportional to 3,885.08, 5,826.25 and 1,252.48

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Solution

The fourth proportional to 3,885.08, 5,826.25 and 1,252.48 is: 1,878.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.08 : 5,826.25 = 1,252.48 : x
  2. Step 2: Convert to fraction form
    3,885.08/5,826.25 = 1,252.48/x
  3. Step 3: Cross multiply
    3,885.08x = 5,826.25 × 1,252.48
  4. Step 4: Simplify right side
    3,885.08x = 7,297,270.45
  5. Step 5: Solve for x
    x = 7,297,270.45/3,885.08
  6. Step 6: Final answer
    x = 1,878.28

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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.