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Finding the Fourth Proportional to 22,116, 33,188.58 and 8,265

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Solution

The fourth proportional to 22,116, 33,188.58 and 8,265 is: 12,402.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,116 : 33,188.58 = 8,265 : x
  2. Step 2: Convert to fraction form
    22,116/33,188.58 = 8,265/x
  3. Step 3: Cross multiply
    22,116x = 33,188.58 × 8,265
  4. Step 4: Simplify right side
    22,116x = 274,303,613.70
  5. Step 5: Solve for x
    x = 274,303,613.70/22,116
  6. Step 6: Final answer
    x = 12,402.95

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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.