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Finding the Fourth Proportional to 19,849.88, 29,774.81 and 5,998.88

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Solution

The fourth proportional to 19,849.88, 29,774.81 and 5,998.88 is: 8,998.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,849.88 : 29,774.81 = 5,998.88 : x
  2. Step 2: Convert to fraction form
    19,849.88/29,774.81 = 5,998.88/x
  3. Step 3: Cross multiply
    19,849.88x = 29,774.81 × 5,998.88
  4. Step 4: Simplify right side
    19,849.88x = 178,615,378.34
  5. Step 5: Solve for x
    x = 178,615,378.34/19,849.88
  6. Step 6: Final answer
    x = 8,998.31

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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.