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Finding the Fourth Proportional to 62,991.98, 86,927.15 and 34,310.99

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Solution

The fourth proportional to 62,991.98, 86,927.15 and 34,310.99 is: 47,348.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,991.98 : 86,927.15 = 34,310.99 : x
  2. Step 2: Convert to fraction form
    62,991.98/86,927.15 = 34,310.99/x
  3. Step 3: Cross multiply
    62,991.98x = 86,927.15 × 34,310.99
  4. Step 4: Simplify right side
    62,991.98x = 2,982,555,968.19
  5. Step 5: Solve for x
    x = 2,982,555,968.19/62,991.98
  6. Step 6: Final answer
    x = 47,348.19

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1.5x scale

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.