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Finding the Fourth Proportional to 62,736.47, 86,576.47 and 34,443.98

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Solution

The fourth proportional to 62,736.47, 86,576.47 and 34,443.98 is: 47,532.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,736.47 : 86,576.47 = 34,443.98 : x
  2. Step 2: Convert to fraction form
    62,736.47/86,576.47 = 34,443.98/x
  3. Step 3: Cross multiply
    62,736.47x = 86,576.47 × 34,443.98
  4. Step 4: Simplify right side
    62,736.47x = 2,982,037,682.16
  5. Step 5: Solve for x
    x = 2,982,037,682.16/62,736.47
  6. Step 6: Final answer
    x = 47,532.77

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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.