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Finding the Fourth Proportional to 5,583.69, 8,367.98 and 2,988.45

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Solution

The fourth proportional to 5,583.69, 8,367.98 and 2,988.45 is: 4,478.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,583.69 : 8,367.98 = 2,988.45 : x
  2. Step 2: Convert to fraction form
    5,583.69/8,367.98 = 2,988.45/x
  3. Step 3: Cross multiply
    5,583.69x = 8,367.98 × 2,988.45
  4. Step 4: Simplify right side
    5,583.69x = 25,007,274.89
  5. Step 5: Solve for x
    x = 25,007,274.89/5,583.69
  6. Step 6: Final answer
    x = 4,478.63

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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.