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Finding the Fourth Proportional to 39,684.94, 59,527.41 and 11,982.94

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Solution

The fourth proportional to 39,684.94, 59,527.41 and 11,982.94 is: 17,974.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,684.94 : 59,527.41 = 11,982.94 : x
  2. Step 2: Convert to fraction form
    39,684.94/59,527.41 = 11,982.94/x
  3. Step 3: Cross multiply
    39,684.94x = 59,527.41 × 11,982.94
  4. Step 4: Simplify right side
    39,684.94x = 713,313,188.63
  5. Step 5: Solve for x
    x = 713,313,188.63/39,684.94
  6. Step 6: Final answer
    x = 17,974.41

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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.