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Finding the Fourth Proportional to 18,841, 28,266.54 and 6,529

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Solution

The fourth proportional to 18,841, 28,266.54 and 6,529 is: 9,795.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,841 : 28,266.54 = 6,529 : x
  2. Step 2: Convert to fraction form
    18,841/28,266.54 = 6,529/x
  3. Step 3: Cross multiply
    18,841x = 28,266.54 × 6,529
  4. Step 4: Simplify right side
    18,841x = 184,552,239.66
  5. Step 5: Solve for x
    x = 184,552,239.66/18,841
  6. Step 6: Final answer
    x = 9,795.25

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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.