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Finding the Fourth Proportional to 46,398.33, 69,443.46 and 42,247.89

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Solution

The fourth proportional to 46,398.33, 69,443.46 and 42,247.89 is: 63,231.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,398.33 : 69,443.46 = 42,247.89 : x
  2. Step 2: Convert to fraction form
    46,398.33/69,443.46 = 42,247.89/x
  3. Step 3: Cross multiply
    46,398.33x = 69,443.46 × 42,247.89
  4. Step 4: Simplify right side
    46,398.33x = 2,933,839,659.30
  5. Step 5: Solve for x
    x = 2,933,839,659.30/46,398.33
  6. Step 6: Final answer
    x = 63,231.58

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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.