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Finding the Fourth Proportional to 43,997.60, 65,919.60 and 37,853.60

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Solution

The fourth proportional to 43,997.60, 65,919.60 and 37,853.60 is: 56,714.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,997.60 : 65,919.60 = 37,853.60 : x
  2. Step 2: Convert to fraction form
    43,997.60/65,919.60 = 37,853.60/x
  3. Step 3: Cross multiply
    43,997.60x = 65,919.60 × 37,853.60
  4. Step 4: Simplify right side
    43,997.60x = 2,495,294,170.56
  5. Step 5: Solve for x
    x = 2,495,294,170.56/43,997.60
  6. Step 6: Final answer
    x = 56,714.32

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1.5x scale

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.