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Finding the Fourth Proportional to 5,581.27, 7,702.35 and 3,063.49

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Solution

The fourth proportional to 5,581.27, 7,702.35 and 3,063.49 is: 4,227.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.27 : 7,702.35 = 3,063.49 : x
  2. Step 2: Convert to fraction form
    5,581.27/7,702.35 = 3,063.49/x
  3. Step 3: Cross multiply
    5,581.27x = 7,702.35 × 3,063.49
  4. Step 4: Simplify right side
    5,581.27x = 23,596,072.20
  5. Step 5: Solve for x
    x = 23,596,072.20/5,581.27
  6. Step 6: Final answer
    x = 4,227.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.