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Finding the Fourth Proportional to 27,009.80, 40,514.70 and 9,481.40

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Solution

The fourth proportional to 27,009.80, 40,514.70 and 9,481.40 is: 14,222.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,009.80 : 40,514.70 = 9,481.40 : x
  2. Step 2: Convert to fraction form
    27,009.80/40,514.70 = 9,481.40/x
  3. Step 3: Cross multiply
    27,009.80x = 40,514.70 × 9,481.40
  4. Step 4: Simplify right side
    27,009.80x = 384,136,076.58
  5. Step 5: Solve for x
    x = 384,136,076.58/27,009.80
  6. Step 6: Final answer
    x = 14,222.10

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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.