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Finding the Fourth Proportional to 62,850.26, 86,708.70 and 35,978.34

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Solution

The fourth proportional to 62,850.26, 86,708.70 and 35,978.34 is: 49,635.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,850.26 : 86,708.70 = 35,978.34 : x
  2. Step 2: Convert to fraction form
    62,850.26/86,708.70 = 35,978.34/x
  3. Step 3: Cross multiply
    62,850.26x = 86,708.70 × 35,978.34
  4. Step 4: Simplify right side
    62,850.26x = 3,119,635,089.56
  5. Step 5: Solve for x
    x = 3,119,635,089.56/62,850.26
  6. Step 6: Final answer
    x = 49,635.99

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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.