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Finding the Fourth Proportional to 5,663.94, 8,500.78 and 2,203.62

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Solution

The fourth proportional to 5,663.94, 8,500.78 and 2,203.62 is: 3,307.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,663.94 : 8,500.78 = 2,203.62 : x
  2. Step 2: Convert to fraction form
    5,663.94/8,500.78 = 2,203.62/x
  3. Step 3: Cross multiply
    5,663.94x = 8,500.78 × 2,203.62
  4. Step 4: Simplify right side
    5,663.94x = 18,732,488.82
  5. Step 5: Solve for x
    x = 18,732,488.82/5,663.94
  6. Step 6: Final answer
    x = 3,307.32

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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.