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Finding the Fourth Proportional to 44,576.28, 66,829.86 and 19,935

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Solution

The fourth proportional to 44,576.28, 66,829.86 and 19,935 is: 29,887.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,576.28 : 66,829.86 = 19,935 : x
  2. Step 2: Convert to fraction form
    44,576.28/66,829.86 = 19,935/x
  3. Step 3: Cross multiply
    44,576.28x = 66,829.86 × 19,935
  4. Step 4: Simplify right side
    44,576.28x = 1,332,253,259.10
  5. Step 5: Solve for x
    x = 1,332,253,259.10/44,576.28
  6. Step 6: Final answer
    x = 29,887.04

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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.