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Finding the Fourth Proportional to 5,811.98, 8,706.99 and 4,497.98

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Solution

The fourth proportional to 5,811.98, 8,706.99 and 4,497.98 is: 6,738.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.98 : 8,706.99 = 4,497.98 : x
  2. Step 2: Convert to fraction form
    5,811.98/8,706.99 = 4,497.98/x
  3. Step 3: Cross multiply
    5,811.98x = 8,706.99 × 4,497.98
  4. Step 4: Simplify right side
    5,811.98x = 39,163,866.88
  5. Step 5: Solve for x
    x = 39,163,866.88/5,811.98
  6. Step 6: Final answer
    x = 6,738.47

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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.