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Finding the Fourth Proportional to 62,889.60, 94,334.40 and 27,811.20

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Solution

The fourth proportional to 62,889.60, 94,334.40 and 27,811.20 is: 41,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,889.60 : 94,334.40 = 27,811.20 : x
  2. Step 2: Convert to fraction form
    62,889.60/94,334.40 = 27,811.20/x
  3. Step 3: Cross multiply
    62,889.60x = 94,334.40 × 27,811.20
  4. Step 4: Simplify right side
    62,889.60x = 2,623,552,865.28
  5. Step 5: Solve for x
    x = 2,623,552,865.28/62,889.60
  6. Step 6: Final answer
    x = 41,716.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.