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Finding the Fourth Proportional to 40,795.60, 61,076.60 and 25,107.60

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Solution

The fourth proportional to 40,795.60, 61,076.60 and 25,107.60 is: 37,589.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,795.60 : 61,076.60 = 25,107.60 : x
  2. Step 2: Convert to fraction form
    40,795.60/61,076.60 = 25,107.60/x
  3. Step 3: Cross multiply
    40,795.60x = 61,076.60 × 25,107.60
  4. Step 4: Simplify right side
    40,795.60x = 1,533,486,842.16
  5. Step 5: Solve for x
    x = 1,533,486,842.16/40,795.60
  6. Step 6: Final answer
    x = 37,589.52

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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.