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Finding the Fourth Proportional to 8,893.44, 12,263.40 and 6,240

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Solution

The fourth proportional to 8,893.44, 12,263.40 and 6,240 is: 8,604.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893.44 : 12,263.40 = 6,240 : x
  2. Step 2: Convert to fraction form
    8,893.44/12,263.40 = 6,240/x
  3. Step 3: Cross multiply
    8,893.44x = 12,263.40 × 6,240
  4. Step 4: Simplify right side
    8,893.44x = 76,523,616
  5. Step 5: Solve for x
    x = 76,523,616/8,893.44
  6. Step 6: Final answer
    x = 8,604.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.