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Finding the Fourth Proportional to 6,373.33, 9,559.92 and 1,990.82

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Solution

The fourth proportional to 6,373.33, 9,559.92 and 1,990.82 is: 2,986.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,373.33 : 9,559.92 = 1,990.82 : x
  2. Step 2: Convert to fraction form
    6,373.33/9,559.92 = 1,990.82/x
  3. Step 3: Cross multiply
    6,373.33x = 9,559.92 × 1,990.82
  4. Step 4: Simplify right side
    6,373.33x = 19,032,079.93
  5. Step 5: Solve for x
    x = 19,032,079.93/6,373.33
  6. Step 6: Final answer
    x = 2,986.21

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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.