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Finding the Fourth Proportional to 21,676.01, 32,514.09 and 5,881.15

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Solution

The fourth proportional to 21,676.01, 32,514.09 and 5,881.15 is: 8,821.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,676.01 : 32,514.09 = 5,881.15 : x
  2. Step 2: Convert to fraction form
    21,676.01/32,514.09 = 5,881.15/x
  3. Step 3: Cross multiply
    21,676.01x = 32,514.09 × 5,881.15
  4. Step 4: Simplify right side
    21,676.01x = 191,220,048.43
  5. Step 5: Solve for x
    x = 191,220,048.43/21,676.01
  6. Step 6: Final answer
    x = 8,821.74

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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.