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Finding the Fourth Proportional to 8,330.63, 12,498.44 and 4,819.82

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Solution

The fourth proportional to 8,330.63, 12,498.44 and 4,819.82 is: 7,231.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.63 : 12,498.44 = 4,819.82 : x
  2. Step 2: Convert to fraction form
    8,330.63/12,498.44 = 4,819.82/x
  3. Step 3: Cross multiply
    8,330.63x = 12,498.44 × 4,819.82
  4. Step 4: Simplify right side
    8,330.63x = 60,240,144.49
  5. Step 5: Solve for x
    x = 60,240,144.49/8,330.63
  6. Step 6: Final answer
    x = 7,231.17

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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.