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Finding the Fourth Proportional to 44,556.41, 66,939.12 and 42,034.47

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Solution

The fourth proportional to 44,556.41, 66,939.12 and 42,034.47 is: 63,150.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,556.41 : 66,939.12 = 42,034.47 : x
  2. Step 2: Convert to fraction form
    44,556.41/66,939.12 = 42,034.47/x
  3. Step 3: Cross multiply
    44,556.41x = 66,939.12 × 42,034.47
  4. Step 4: Simplify right side
    44,556.41x = 2,813,750,431.47
  5. Step 5: Solve for x
    x = 2,813,750,431.47/44,556.41
  6. Step 6: Final answer
    x = 63,150.29

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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.