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Finding the Fourth Proportional to 8,797.82, 12,141 and 4,819.18

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Solution

The fourth proportional to 8,797.82, 12,141 and 4,819.18 is: 6,650.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,797.82 : 12,141 = 4,819.18 : x
  2. Step 2: Convert to fraction form
    8,797.82/12,141 = 4,819.18/x
  3. Step 3: Cross multiply
    8,797.82x = 12,141 × 4,819.18
  4. Step 4: Simplify right side
    8,797.82x = 58,509,664.38
  5. Step 5: Solve for x
    x = 58,509,664.38/8,797.82
  6. Step 6: Final answer
    x = 6,650.47

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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.