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Finding the Fourth Proportional to 67,530, 101,260.40 and 35,958

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Solution

The fourth proportional to 67,530, 101,260.40 and 35,958 is: 53,918.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,530 : 101,260.40 = 35,958 : x
  2. Step 2: Convert to fraction form
    67,530/101,260.40 = 35,958/x
  3. Step 3: Cross multiply
    67,530x = 101,260.40 × 35,958
  4. Step 4: Simplify right side
    67,530x = 3,641,121,463.20
  5. Step 5: Solve for x
    x = 3,641,121,463.20/67,530
  6. Step 6: Final answer
    x = 53,918.58

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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.