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Finding the Fourth Proportional to 19,065, 28,601.82 and 6,753

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Solution

The fourth proportional to 19,065, 28,601.82 and 6,753 is: 10,131.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,065 : 28,601.82 = 6,753 : x
  2. Step 2: Convert to fraction form
    19,065/28,601.82 = 6,753/x
  3. Step 3: Cross multiply
    19,065x = 28,601.82 × 6,753
  4. Step 4: Simplify right side
    19,065x = 193,148,090.46
  5. Step 5: Solve for x
    x = 193,148,090.46/19,065
  6. Step 6: Final answer
    x = 10,131.03

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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.