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Finding the Fourth Proportional to 5,581.32, 7,702.32 and 3,063.28

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Solution

The fourth proportional to 5,581.32, 7,702.32 and 3,063.28 is: 4,227.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.32 : 7,702.32 = 3,063.28 : x
  2. Step 2: Convert to fraction form
    5,581.32/7,702.32 = 3,063.28/x
  3. Step 3: Cross multiply
    5,581.32x = 7,702.32 × 3,063.28
  4. Step 4: Simplify right side
    5,581.32x = 23,594,362.81
  5. Step 5: Solve for x
    x = 23,594,362.81/5,581.32
  6. Step 6: Final answer
    x = 4,227.38

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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.