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Finding the Fourth Proportional to 44,310.76, 66,310.01 and 27,678.63

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Solution

The fourth proportional to 44,310.76, 66,310.01 and 27,678.63 is: 41,420.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,310.76 : 66,310.01 = 27,678.63 : x
  2. Step 2: Convert to fraction form
    44,310.76/66,310.01 = 27,678.63/x
  3. Step 3: Cross multiply
    44,310.76x = 66,310.01 × 27,678.63
  4. Step 4: Simplify right side
    44,310.76x = 1,835,370,232.09
  5. Step 5: Solve for x
    x = 1,835,370,232.09/44,310.76
  6. Step 6: Final answer
    x = 41,420.42

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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.