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Finding the Fourth Proportional to 19,481.72, 29,204.08 and 6,324.88

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Solution

The fourth proportional to 19,481.72, 29,204.08 and 6,324.88 is: 9,481.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,481.72 : 29,204.08 = 6,324.88 : x
  2. Step 2: Convert to fraction form
    19,481.72/29,204.08 = 6,324.88/x
  3. Step 3: Cross multiply
    19,481.72x = 29,204.08 × 6,324.88
  4. Step 4: Simplify right side
    19,481.72x = 184,712,301.51
  5. Step 5: Solve for x
    x = 184,712,301.51/19,481.72
  6. Step 6: Final answer
    x = 9,481.31

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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.