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Finding the Fourth Proportional to 29,666.58, 40,939.62 and 16,237.56

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Solution

The fourth proportional to 29,666.58, 40,939.62 and 16,237.56 is: 22,407.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,666.58 : 40,939.62 = 16,237.56 : x
  2. Step 2: Convert to fraction form
    29,666.58/40,939.62 = 16,237.56/x
  3. Step 3: Cross multiply
    29,666.58x = 40,939.62 × 16,237.56
  4. Step 4: Simplify right side
    29,666.58x = 664,759,536.13
  5. Step 5: Solve for x
    x = 664,759,536.13/29,666.58
  6. Step 6: Final answer
    x = 22,407.69

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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.