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Finding the Fourth Proportional to 11,982.01, 17,969.93 and 4,963.99

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Solution

The fourth proportional to 11,982.01, 17,969.93 and 4,963.99 is: 7,444.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.01 : 17,969.93 = 4,963.99 : x
  2. Step 2: Convert to fraction form
    11,982.01/17,969.93 = 4,963.99/x
  3. Step 3: Cross multiply
    11,982.01x = 17,969.93 × 4,963.99
  4. Step 4: Simplify right side
    11,982.01x = 89,202,438.15
  5. Step 5: Solve for x
    x = 89,202,438.15/11,982.01
  6. Step 6: Final answer
    x = 7,444.70

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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.