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Finding the Fourth Proportional to 29,493.52, 40,701.99 and 16,065.20

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Solution

The fourth proportional to 29,493.52, 40,701.99 and 16,065.20 is: 22,170.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,493.52 : 40,701.99 = 16,065.20 : x
  2. Step 2: Convert to fraction form
    29,493.52/40,701.99 = 16,065.20/x
  3. Step 3: Cross multiply
    29,493.52x = 40,701.99 × 16,065.20
  4. Step 4: Simplify right side
    29,493.52x = 653,885,771.75
  5. Step 5: Solve for x
    x = 653,885,771.75/29,493.52
  6. Step 6: Final answer
    x = 22,170.49

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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.