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Finding the Fourth Proportional to 62,751, 86,596.98 and 34,457.31

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Solution

The fourth proportional to 62,751, 86,596.98 and 34,457.31 is: 47,551.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,751 : 86,596.98 = 34,457.31 : x
  2. Step 2: Convert to fraction form
    62,751/86,596.98 = 34,457.31/x
  3. Step 3: Cross multiply
    62,751x = 86,596.98 × 34,457.31
  4. Step 4: Simplify right side
    62,751x = 2,983,898,984.92
  5. Step 5: Solve for x
    x = 2,983,898,984.92/62,751
  6. Step 6: Final answer
    x = 47,551.42

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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.