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Finding the Fourth Proportional to 43,959.60, 65,793.60 and 30,837.60

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Solution

The fourth proportional to 43,959.60, 65,793.60 and 30,837.60 is: 46,154.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,959.60 : 65,793.60 = 30,837.60 : x
  2. Step 2: Convert to fraction form
    43,959.60/65,793.60 = 30,837.60/x
  3. Step 3: Cross multiply
    43,959.60x = 65,793.60 × 30,837.60
  4. Step 4: Simplify right side
    43,959.60x = 2,028,916,719.36
  5. Step 5: Solve for x
    x = 2,028,916,719.36/43,959.60
  6. Step 6: Final answer
    x = 46,154.12

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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.