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Finding the Fourth Proportional to 18,446.63, 25,456.61 and 10,063.13

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Solution

The fourth proportional to 18,446.63, 25,456.61 and 10,063.13 is: 13,887.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,446.63 : 25,456.61 = 10,063.13 : x
  2. Step 2: Convert to fraction form
    18,446.63/25,456.61 = 10,063.13/x
  3. Step 3: Cross multiply
    18,446.63x = 25,456.61 × 10,063.13
  4. Step 4: Simplify right side
    18,446.63x = 256,173,073.66
  5. Step 5: Solve for x
    x = 256,173,073.66/18,446.63
  6. Step 6: Final answer
    x = 13,887.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.