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Finding the Fourth Proportional to 9,486.51, 14,235.23 and 3,940.03

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Solution

The fourth proportional to 9,486.51, 14,235.23 and 3,940.03 is: 5,912.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,486.51 : 14,235.23 = 3,940.03 : x
  2. Step 2: Convert to fraction form
    9,486.51/14,235.23 = 3,940.03/x
  3. Step 3: Cross multiply
    9,486.51x = 14,235.23 × 3,940.03
  4. Step 4: Simplify right side
    9,486.51x = 56,087,233.26
  5. Step 5: Solve for x
    x = 56,087,233.26/9,486.51
  6. Step 6: Final answer
    x = 5,912.31

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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.