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Finding the Fourth Proportional to 45,805.40, 63,213.27 and 25,662.45

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Solution

The fourth proportional to 45,805.40, 63,213.27 and 25,662.45 is: 35,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,805.40 : 63,213.27 = 25,662.45 : x
  2. Step 2: Convert to fraction form
    45,805.40/63,213.27 = 25,662.45/x
  3. Step 3: Cross multiply
    45,805.40x = 63,213.27 × 25,662.45
  4. Step 4: Simplify right side
    45,805.40x = 1,622,207,380.71
  5. Step 5: Solve for x
    x = 1,622,207,380.71/45,805.40
  6. Step 6: Final answer
    x = 35,415.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.