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Finding the Fourth Proportional to 56,704.44, 78,261.84 and 32,845.80

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Solution

The fourth proportional to 56,704.44, 78,261.84 and 32,845.80 is: 45,332.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,704.44 : 78,261.84 = 32,845.80 : x
  2. Step 2: Convert to fraction form
    56,704.44/78,261.84 = 32,845.80/x
  3. Step 3: Cross multiply
    56,704.44x = 78,261.84 × 32,845.80
  4. Step 4: Simplify right side
    56,704.44x = 2,570,572,744.27
  5. Step 5: Solve for x
    x = 2,570,572,744.27/56,704.44
  6. Step 6: Final answer
    x = 45,332.83

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1.5x scale

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.