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Finding the Fourth Proportional to 18,445.56, 25,454.82 and 10,062

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Solution

The fourth proportional to 18,445.56, 25,454.82 and 10,062 is: 13,885.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445.56 : 25,454.82 = 10,062 : x
  2. Step 2: Convert to fraction form
    18,445.56/25,454.82 = 10,062/x
  3. Step 3: Cross multiply
    18,445.56x = 25,454.82 × 10,062
  4. Step 4: Simplify right side
    18,445.56x = 256,126,398.84
  5. Step 5: Solve for x
    x = 256,126,398.84/18,445.56
  6. Step 6: Final answer
    x = 13,885.53

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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.