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Finding the Fourth Proportional to 34,773.22, 47,986.77 and 18,857.64

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Solution

The fourth proportional to 34,773.22, 47,986.77 and 18,857.64 is: 26,023.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,773.22 : 47,986.77 = 18,857.64 : x
  2. Step 2: Convert to fraction form
    34,773.22/47,986.77 = 18,857.64/x
  3. Step 3: Cross multiply
    34,773.22x = 47,986.77 × 18,857.64
  4. Step 4: Simplify right side
    34,773.22x = 904,917,233.42
  5. Step 5: Solve for x
    x = 904,917,233.42/34,773.22
  6. Step 6: Final answer
    x = 26,023.39

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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.