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Finding the Fourth Proportional to 19,610.16, 29,420.20 and 8,514.16

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Solution

The fourth proportional to 19,610.16, 29,420.20 and 8,514.16 is: 12,773.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,610.16 : 29,420.20 = 8,514.16 : x
  2. Step 2: Convert to fraction form
    19,610.16/29,420.20 = 8,514.16/x
  3. Step 3: Cross multiply
    19,610.16x = 29,420.20 × 8,514.16
  4. Step 4: Simplify right side
    19,610.16x = 250,488,290.03
  5. Step 5: Solve for x
    x = 250,488,290.03/19,610.16
  6. Step 6: Final answer
    x = 12,773.39

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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.