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Finding the Fourth Proportional to 6,381.83, 9,573.24 and 1,999.25

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Solution

The fourth proportional to 6,381.83, 9,573.24 and 1,999.25 is: 2,999.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381.83 : 9,573.24 = 1,999.25 : x
  2. Step 2: Convert to fraction form
    6,381.83/9,573.24 = 1,999.25/x
  3. Step 3: Cross multiply
    6,381.83x = 9,573.24 × 1,999.25
  4. Step 4: Simplify right side
    6,381.83x = 19,139,300.07
  5. Step 5: Solve for x
    x = 19,139,300.07/6,381.83
  6. Step 6: Final answer
    x = 2,999.03

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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.