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Finding the Fourth Proportional to 43,476.48, 65,243.88 and 15,396.48

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Solution

The fourth proportional to 43,476.48, 65,243.88 and 15,396.48 is: 23,105.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,476.48 : 65,243.88 = 15,396.48 : x
  2. Step 2: Convert to fraction form
    43,476.48/65,243.88 = 15,396.48/x
  3. Step 3: Cross multiply
    43,476.48x = 65,243.88 × 15,396.48
  4. Step 4: Simplify right side
    43,476.48x = 1,004,526,093.54
  5. Step 5: Solve for x
    x = 1,004,526,093.54/43,476.48
  6. Step 6: Final answer
    x = 23,105.05

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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.