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Finding the Fourth Proportional to 62,579.52, 86,359.68 and 34,284.96

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Solution

The fourth proportional to 62,579.52, 86,359.68 and 34,284.96 is: 47,313.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,579.52 : 86,359.68 = 34,284.96 : x
  2. Step 2: Convert to fraction form
    62,579.52/86,359.68 = 34,284.96/x
  3. Step 3: Cross multiply
    62,579.52x = 86,359.68 × 34,284.96
  4. Step 4: Simplify right side
    62,579.52x = 2,960,838,174.41
  5. Step 5: Solve for x
    x = 2,960,838,174.41/62,579.52
  6. Step 6: Final answer
    x = 47,313.21

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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.