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Finding the Fourth Proportional to 5,512.84, 7,604.31 and 3,624.64

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Solution

The fourth proportional to 5,512.84, 7,604.31 and 3,624.64 is: 4,999.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.84 : 7,604.31 = 3,624.64 : x
  2. Step 2: Convert to fraction form
    5,512.84/7,604.31 = 3,624.64/x
  3. Step 3: Cross multiply
    5,512.84x = 7,604.31 × 3,624.64
  4. Step 4: Simplify right side
    5,512.84x = 27,562,886.20
  5. Step 5: Solve for x
    x = 27,562,886.20/5,512.84
  6. Step 6: Final answer
    x = 4,999.76

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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.