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Finding the Fourth Proportional to 9,998.33, 13,800.44 and 6,219.24

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Solution

The fourth proportional to 9,998.33, 13,800.44 and 6,219.24 is: 8,584.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,998.33 : 13,800.44 = 6,219.24 : x
  2. Step 2: Convert to fraction form
    9,998.33/13,800.44 = 6,219.24/x
  3. Step 3: Cross multiply
    9,998.33x = 13,800.44 × 6,219.24
  4. Step 4: Simplify right side
    9,998.33x = 85,828,264.01
  5. Step 5: Solve for x
    x = 85,828,264.01/9,998.33
  6. Step 6: Final answer
    x = 8,584.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.