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Finding the Fourth Proportional to 18,558, 25,610.10 and 10,060.26

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Solution

The fourth proportional to 18,558, 25,610.10 and 10,060.26 is: 13,883.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,558 : 25,610.10 = 10,060.26 : x
  2. Step 2: Convert to fraction form
    18,558/25,610.10 = 10,060.26/x
  3. Step 3: Cross multiply
    18,558x = 25,610.10 × 10,060.26
  4. Step 4: Simplify right side
    18,558x = 257,644,264.63
  5. Step 5: Solve for x
    x = 257,644,264.63/18,558
  6. Step 6: Final answer
    x = 13,883.19

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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.