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Finding the Fourth Proportional to 11,985.01, 17,846.96 and 11,853.99

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Solution

The fourth proportional to 11,985.01, 17,846.96 and 11,853.99 is: 17,651.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985.01 : 17,846.96 = 11,853.99 : x
  2. Step 2: Convert to fraction form
    11,985.01/17,846.96 = 11,853.99/x
  3. Step 3: Cross multiply
    11,985.01x = 17,846.96 × 11,853.99
  4. Step 4: Simplify right side
    11,985.01x = 211,557,626.10
  5. Step 5: Solve for x
    x = 211,557,626.10/11,985.01
  6. Step 6: Final answer
    x = 17,651.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.