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Finding the Fourth Proportional to 18,602.82, 25,672.14 and 10,104.96

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Solution

The fourth proportional to 18,602.82, 25,672.14 and 10,104.96 is: 13,944.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,602.82 : 25,672.14 = 10,104.96 : x
  2. Step 2: Convert to fraction form
    18,602.82/25,672.14 = 10,104.96/x
  3. Step 3: Cross multiply
    18,602.82x = 25,672.14 × 10,104.96
  4. Step 4: Simplify right side
    18,602.82x = 259,415,947.81
  5. Step 5: Solve for x
    x = 259,415,947.81/18,602.82
  6. Step 6: Final answer
    x = 13,944.98

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1.5x scale

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.