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Finding the Fourth Proportional to 62,625.99, 86,423.74 and 34,331.88

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Solution

The fourth proportional to 62,625.99, 86,423.74 and 34,331.88 is: 47,377.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,625.99 : 86,423.74 = 34,331.88 : x
  2. Step 2: Convert to fraction form
    62,625.99/86,423.74 = 34,331.88/x
  3. Step 3: Cross multiply
    62,625.99x = 86,423.74 × 34,331.88
  4. Step 4: Simplify right side
    62,625.99x = 2,967,089,470.83
  5. Step 5: Solve for x
    x = 2,967,089,470.83/62,625.99
  6. Step 6: Final answer
    x = 47,377.93

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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.