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Finding the Fourth Proportional to 36,159.60, 49,898.79 and 21,052.71

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Solution

The fourth proportional to 36,159.60, 49,898.79 and 21,052.71 is: 29,051.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,159.60 : 49,898.79 = 21,052.71 : x
  2. Step 2: Convert to fraction form
    36,159.60/49,898.79 = 21,052.71/x
  3. Step 3: Cross multiply
    36,159.60x = 49,898.79 × 21,052.71
  4. Step 4: Simplify right side
    36,159.60x = 1,050,504,755.22
  5. Step 5: Solve for x
    x = 1,050,504,755.22/36,159.60
  6. Step 6: Final answer
    x = 29,051.89

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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.