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Finding the Fourth Proportional to 47,668.42, 65,782.83 and 26,447.50

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Solution

The fourth proportional to 47,668.42, 65,782.83 and 26,447.50 is: 36,497.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,668.42 : 65,782.83 = 26,447.50 : x
  2. Step 2: Convert to fraction form
    47,668.42/65,782.83 = 26,447.50/x
  3. Step 3: Cross multiply
    47,668.42x = 65,782.83 × 26,447.50
  4. Step 4: Simplify right side
    47,668.42x = 1,739,791,396.43
  5. Step 5: Solve for x
    x = 1,739,791,396.43/47,668.42
  6. Step 6: Final answer
    x = 36,497.78

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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.