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Finding the Fourth Proportional to 29,590.41, 40,835.09 and 16,162.05

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Solution

The fourth proportional to 29,590.41, 40,835.09 and 16,162.05 is: 22,303.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,590.41 : 40,835.09 = 16,162.05 : x
  2. Step 2: Convert to fraction form
    29,590.41/40,835.09 = 16,162.05/x
  3. Step 3: Cross multiply
    29,590.41x = 40,835.09 × 16,162.05
  4. Step 4: Simplify right side
    29,590.41x = 659,978,685.52
  5. Step 5: Solve for x
    x = 659,978,685.52/29,590.41
  6. Step 6: Final answer
    x = 22,303.80

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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.