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Finding the Fourth Proportional to 18,483.62, 27,734.74 and 7,393.50

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Solution

The fourth proportional to 18,483.62, 27,734.74 and 7,393.50 is: 11,093.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,483.62 : 27,734.74 = 7,393.50 : x
  2. Step 2: Convert to fraction form
    18,483.62/27,734.74 = 7,393.50/x
  3. Step 3: Cross multiply
    18,483.62x = 27,734.74 × 7,393.50
  4. Step 4: Simplify right side
    18,483.62x = 205,056,781.71
  5. Step 5: Solve for x
    x = 205,056,781.71/18,483.62
  6. Step 6: Final answer
    x = 11,093.98

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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.