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Finding the Fourth Proportional to 66,544.60, 91,846.98 and 43,887.64

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Solution

The fourth proportional to 66,544.60, 91,846.98 and 43,887.64 is: 60,575.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,544.60 : 91,846.98 = 43,887.64 : x
  2. Step 2: Convert to fraction form
    66,544.60/91,846.98 = 43,887.64/x
  3. Step 3: Cross multiply
    66,544.60x = 91,846.98 × 43,887.64
  4. Step 4: Simplify right side
    66,544.60x = 4,030,947,193.33
  5. Step 5: Solve for x
    x = 4,030,947,193.33/66,544.60
  6. Step 6: Final answer
    x = 60,575.12

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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.