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Finding the Fourth Proportional to 27,894.53, 41,841.80 and 7,118.03

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Solution

The fourth proportional to 27,894.53, 41,841.80 and 7,118.03 is: 10,677.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,894.53 : 41,841.80 = 7,118.03 : x
  2. Step 2: Convert to fraction form
    27,894.53/41,841.80 = 7,118.03/x
  3. Step 3: Cross multiply
    27,894.53x = 41,841.80 × 7,118.03
  4. Step 4: Simplify right side
    27,894.53x = 297,831,187.65
  5. Step 5: Solve for x
    x = 297,831,187.65/27,894.53
  6. Step 6: Final answer
    x = 10,677.05

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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.