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Finding the Fourth Proportional to 43,893.64, 65,687.37 and 35,903.80

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Solution

The fourth proportional to 43,893.64, 65,687.37 and 35,903.80 is: 53,730.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,893.64 : 65,687.37 = 35,903.80 : x
  2. Step 2: Convert to fraction form
    43,893.64/65,687.37 = 35,903.80/x
  3. Step 3: Cross multiply
    43,893.64x = 65,687.37 × 35,903.80
  4. Step 4: Simplify right side
    43,893.64x = 2,358,426,195.01
  5. Step 5: Solve for x
    x = 2,358,426,195.01/43,893.64
  6. Step 6: Final answer
    x = 53,730.48

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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.