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Finding the Fourth Proportional to 44,571.60, 66,851.64 and 16,866

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Solution

The fourth proportional to 44,571.60, 66,851.64 and 16,866 is: 25,296.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,571.60 : 66,851.64 = 16,866 : x
  2. Step 2: Convert to fraction form
    44,571.60/66,851.64 = 16,866/x
  3. Step 3: Cross multiply
    44,571.60x = 66,851.64 × 16,866
  4. Step 4: Simplify right side
    44,571.60x = 1,127,519,760.24
  5. Step 5: Solve for x
    x = 1,127,519,760.24/44,571.60
  6. Step 6: Final answer
    x = 25,296.82

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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.