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Finding the Fourth Proportional to 35,514.60, 49,010.04 and 19,600.80

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Solution

The fourth proportional to 35,514.60, 49,010.04 and 19,600.80 is: 27,049.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,514.60 : 49,010.04 = 19,600.80 : x
  2. Step 2: Convert to fraction form
    35,514.60/49,010.04 = 19,600.80/x
  3. Step 3: Cross multiply
    35,514.60x = 49,010.04 × 19,600.80
  4. Step 4: Simplify right side
    35,514.60x = 960,635,992.03
  5. Step 5: Solve for x
    x = 960,635,992.03/35,514.60
  6. Step 6: Final answer
    x = 27,049.04

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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.