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Finding the Fourth Proportional to 29,590.63, 40,835.06 and 16,161.91

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Solution

The fourth proportional to 29,590.63, 40,835.06 and 16,161.91 is: 22,303.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,590.63 : 40,835.06 = 16,161.91 : x
  2. Step 2: Convert to fraction form
    29,590.63/40,835.06 = 16,161.91/x
  3. Step 3: Cross multiply
    29,590.63x = 40,835.06 × 16,161.91
  4. Step 4: Simplify right side
    29,590.63x = 659,972,564.56
  5. Step 5: Solve for x
    x = 659,972,564.56/29,590.63
  6. Step 6: Final answer
    x = 22,303.43

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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.