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Finding the Fourth Proportional to 33,323.87, 45,986.90 and 19,902.98

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Solution

The fourth proportional to 33,323.87, 45,986.90 and 19,902.98 is: 27,466.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,323.87 : 45,986.90 = 19,902.98 : x
  2. Step 2: Convert to fraction form
    33,323.87/45,986.90 = 19,902.98/x
  3. Step 3: Cross multiply
    33,323.87x = 45,986.90 × 19,902.98
  4. Step 4: Simplify right side
    33,323.87x = 915,276,366.41
  5. Step 5: Solve for x
    x = 915,276,366.41/33,323.87
  6. Step 6: Final answer
    x = 27,466.09

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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.