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Finding the Fourth Proportional to 18,602, 25,670.80 and 10,104.14

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Solution

The fourth proportional to 18,602, 25,670.80 and 10,104.14 is: 13,943.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,602 : 25,670.80 = 10,104.14 : x
  2. Step 2: Convert to fraction form
    18,602/25,670.80 = 10,104.14/x
  3. Step 3: Cross multiply
    18,602x = 25,670.80 × 10,104.14
  4. Step 4: Simplify right side
    18,602x = 259,381,357.11
  5. Step 5: Solve for x
    x = 259,381,357.11/18,602
  6. Step 6: Final answer
    x = 13,943.73

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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.