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Finding the Fourth Proportional to 40,797.60, 61,079.60 and 25,109.60

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Solution

The fourth proportional to 40,797.60, 61,079.60 and 25,109.60 is: 37,592.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,797.60 : 61,079.60 = 25,109.60 : x
  2. Step 2: Convert to fraction form
    40,797.60/61,079.60 = 25,109.60/x
  3. Step 3: Cross multiply
    40,797.60x = 61,079.60 × 25,109.60
  4. Step 4: Simplify right side
    40,797.60x = 1,533,684,324.16
  5. Step 5: Solve for x
    x = 1,533,684,324.16/40,797.60
  6. Step 6: Final answer
    x = 37,592.51

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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.