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Finding the Fourth Proportional to 19,676.55, 29,514.55 and 11,225.02

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Solution

The fourth proportional to 19,676.55, 29,514.55 and 11,225.02 is: 16,837.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,676.55 : 29,514.55 = 11,225.02 : x
  2. Step 2: Convert to fraction form
    19,676.55/29,514.55 = 11,225.02/x
  3. Step 3: Cross multiply
    19,676.55x = 29,514.55 × 11,225.02
  4. Step 4: Simplify right side
    19,676.55x = 331,301,414.04
  5. Step 5: Solve for x
    x = 331,301,414.04/19,676.55
  6. Step 6: Final answer
    x = 16,837.37

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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.