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Finding the Fourth Proportional to 18,630.95, 27,946.87 and 6,152.04

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Solution

The fourth proportional to 18,630.95, 27,946.87 and 6,152.04 is: 9,228.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,630.95 : 27,946.87 = 6,152.04 : x
  2. Step 2: Convert to fraction form
    18,630.95/27,946.87 = 6,152.04/x
  3. Step 3: Cross multiply
    18,630.95x = 27,946.87 × 6,152.04
  4. Step 4: Simplify right side
    18,630.95x = 171,930,246.73
  5. Step 5: Solve for x
    x = 171,930,246.73/18,630.95
  6. Step 6: Final answer
    x = 9,228.21

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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.