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Finding the Fourth Proportional to 71,576.63, 98,784.86 and 43,282.52

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Solution

The fourth proportional to 71,576.63, 98,784.86 and 43,282.52 is: 59,735.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,576.63 : 98,784.86 = 43,282.52 : x
  2. Step 2: Convert to fraction form
    71,576.63/98,784.86 = 43,282.52/x
  3. Step 3: Cross multiply
    71,576.63x = 98,784.86 × 43,282.52
  4. Step 4: Simplify right side
    71,576.63x = 4,275,656,968.31
  5. Step 5: Solve for x
    x = 4,275,656,968.31/71,576.63
  6. Step 6: Final answer
    x = 59,735.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.