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Finding the Fourth Proportional to 43,492.74, 65,218.54 and 16,851.22

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Solution

The fourth proportional to 43,492.74, 65,218.54 and 16,851.22 is: 25,268.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,492.74 : 65,218.54 = 16,851.22 : x
  2. Step 2: Convert to fraction form
    43,492.74/65,218.54 = 16,851.22/x
  3. Step 3: Cross multiply
    43,492.74x = 65,218.54 × 16,851.22
  4. Step 4: Simplify right side
    43,492.74x = 1,099,011,965.62
  5. Step 5: Solve for x
    x = 1,099,011,965.62/43,492.74
  6. Step 6: Final answer
    x = 25,268.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.