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Finding the Fourth Proportional to 17,861.48, 26,783.04 and 10,480.49

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Solution

The fourth proportional to 17,861.48, 26,783.04 and 10,480.49 is: 15,715.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,861.48 : 26,783.04 = 10,480.49 : x
  2. Step 2: Convert to fraction form
    17,861.48/26,783.04 = 10,480.49/x
  3. Step 3: Cross multiply
    17,861.48x = 26,783.04 × 10,480.49
  4. Step 4: Simplify right side
    17,861.48x = 280,699,382.89
  5. Step 5: Solve for x
    x = 280,699,382.89/17,861.48
  6. Step 6: Final answer
    x = 15,715.35

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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.