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Finding the Fourth Proportional to 62,743.80, 86,589.90 and 35,887.44

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Solution

The fourth proportional to 62,743.80, 86,589.90 and 35,887.44 is: 49,526.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,743.80 : 86,589.90 = 35,887.44 : x
  2. Step 2: Convert to fraction form
    62,743.80/86,589.90 = 35,887.44/x
  3. Step 3: Cross multiply
    62,743.80x = 86,589.90 × 35,887.44
  4. Step 4: Simplify right side
    62,743.80x = 3,107,489,840.86
  5. Step 5: Solve for x
    x = 3,107,489,840.86/62,743.80
  6. Step 6: Final answer
    x = 49,526.64

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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.