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Finding the Fourth Proportional to 8,488.98, 12,733.35 and 3,295.86

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Solution

The fourth proportional to 8,488.98, 12,733.35 and 3,295.86 is: 4,943.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,488.98 : 12,733.35 = 3,295.86 : x
  2. Step 2: Convert to fraction form
    8,488.98/12,733.35 = 3,295.86/x
  3. Step 3: Cross multiply
    8,488.98x = 12,733.35 × 3,295.86
  4. Step 4: Simplify right side
    8,488.98x = 41,967,338.93
  5. Step 5: Solve for x
    x = 41,967,338.93/8,488.98
  6. Step 6: Final answer
    x = 4,943.74

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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.