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Finding the Fourth Proportional to 18,842, 26,001.96 and 10,458.56

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Solution

The fourth proportional to 18,842, 26,001.96 and 10,458.56 is: 14,432.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,842 : 26,001.96 = 10,458.56 : x
  2. Step 2: Convert to fraction form
    18,842/26,001.96 = 10,458.56/x
  3. Step 3: Cross multiply
    18,842x = 26,001.96 × 10,458.56
  4. Step 4: Simplify right side
    18,842x = 271,943,058.78
  5. Step 5: Solve for x
    x = 271,943,058.78/18,842
  6. Step 6: Final answer
    x = 14,432.81

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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.