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Finding the Fourth Proportional to 62,968.50, 86,896.53 and 34,674.12

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Solution

The fourth proportional to 62,968.50, 86,896.53 and 34,674.12 is: 47,850.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,968.50 : 86,896.53 = 34,674.12 : x
  2. Step 2: Convert to fraction form
    62,968.50/86,896.53 = 34,674.12/x
  3. Step 3: Cross multiply
    62,968.50x = 86,896.53 × 34,674.12
  4. Step 4: Simplify right side
    62,968.50x = 3,013,060,708.80
  5. Step 5: Solve for x
    x = 3,013,060,708.80/62,968.50
  6. Step 6: Final answer
    x = 47,850.29

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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.