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Finding the Fourth Proportional to 86,022.60, 129,033.90 and 22,842.60

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Solution

The fourth proportional to 86,022.60, 129,033.90 and 22,842.60 is: 34,263.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,022.60 : 129,033.90 = 22,842.60 : x
  2. Step 2: Convert to fraction form
    86,022.60/129,033.90 = 22,842.60/x
  3. Step 3: Cross multiply
    86,022.60x = 129,033.90 × 22,842.60
  4. Step 4: Simplify right side
    86,022.60x = 2,947,469,764.14
  5. Step 5: Solve for x
    x = 2,947,469,764.14/86,022.60
  6. Step 6: Final answer
    x = 34,263.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.