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Finding the Fourth Proportional to 47,443, 65,468.80 and 26,221

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Solution

The fourth proportional to 47,443, 65,468.80 and 26,221 is: 36,183.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,443 : 65,468.80 = 26,221 : x
  2. Step 2: Convert to fraction form
    47,443/65,468.80 = 26,221/x
  3. Step 3: Cross multiply
    47,443x = 65,468.80 × 26,221
  4. Step 4: Simplify right side
    47,443x = 1,716,657,404.80
  5. Step 5: Solve for x
    x = 1,716,657,404.80/47,443
  6. Step 6: Final answer
    x = 36,183.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.