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Finding the Fourth Proportional to 52,900.93, 79,367.60 and 17,837.65

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Solution

The fourth proportional to 52,900.93, 79,367.60 and 17,837.65 is: 26,761.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,900.93 : 79,367.60 = 17,837.65 : x
  2. Step 2: Convert to fraction form
    52,900.93/79,367.60 = 17,837.65/x
  3. Step 3: Cross multiply
    52,900.93x = 79,367.60 × 17,837.65
  4. Step 4: Simplify right side
    52,900.93x = 1,415,731,470.14
  5. Step 5: Solve for x
    x = 1,415,731,470.14/52,900.93
  6. Step 6: Final answer
    x = 26,761.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.