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Finding the Fourth Proportional to 29,466.90, 40,665.36 and 16,720.13

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Solution

The fourth proportional to 29,466.90, 40,665.36 and 16,720.13 is: 23,074.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,466.90 : 40,665.36 = 16,720.13 : x
  2. Step 2: Convert to fraction form
    29,466.90/40,665.36 = 16,720.13/x
  3. Step 3: Cross multiply
    29,466.90x = 40,665.36 × 16,720.13
  4. Step 4: Simplify right side
    29,466.90x = 679,929,902.37
  5. Step 5: Solve for x
    x = 679,929,902.37/29,466.90
  6. Step 6: Final answer
    x = 23,074.36

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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.