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Finding the Fourth Proportional to 52,893.93, 79,290.29 and 19,605.05

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Solution

The fourth proportional to 52,893.93, 79,290.29 and 19,605.05 is: 29,388.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,893.93 : 79,290.29 = 19,605.05 : x
  2. Step 2: Convert to fraction form
    52,893.93/79,290.29 = 19,605.05/x
  3. Step 3: Cross multiply
    52,893.93x = 79,290.29 × 19,605.05
  4. Step 4: Simplify right side
    52,893.93x = 1,554,489,605.49
  5. Step 5: Solve for x
    x = 1,554,489,605.49/52,893.93
  6. Step 6: Final answer
    x = 29,388.81

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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.