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Finding the Fourth Proportional to 62,755.50, 86,601.49 and 34,460.99

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Solution

The fourth proportional to 62,755.50, 86,601.49 and 34,460.99 is: 47,555.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,755.50 : 86,601.49 = 34,460.99 : x
  2. Step 2: Convert to fraction form
    62,755.50/86,601.49 = 34,460.99/x
  3. Step 3: Cross multiply
    62,755.50x = 86,601.49 × 34,460.99
  4. Step 4: Simplify right side
    62,755.50x = 2,984,373,080.88
  5. Step 5: Solve for x
    x = 2,984,373,080.88/62,755.50
  6. Step 6: Final answer
    x = 47,555.56

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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.