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Finding the Fourth Proportional to 35,860.60, 53,766.60 and 18,996.40

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Solution

The fourth proportional to 35,860.60, 53,766.60 and 18,996.40 is: 28,481.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,860.60 : 53,766.60 = 18,996.40 : x
  2. Step 2: Convert to fraction form
    35,860.60/53,766.60 = 18,996.40/x
  3. Step 3: Cross multiply
    35,860.60x = 53,766.60 × 18,996.40
  4. Step 4: Simplify right side
    35,860.60x = 1,021,371,840.24
  5. Step 5: Solve for x
    x = 1,021,371,840.24/35,860.60
  6. Step 6: Final answer
    x = 28,481.73

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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.