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Finding the Fourth Proportional to 21,668.85, 32,503.82 and 6,676.29

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Solution

The fourth proportional to 21,668.85, 32,503.82 and 6,676.29 is: 10,014.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,668.85 : 32,503.82 = 6,676.29 : x
  2. Step 2: Convert to fraction form
    21,668.85/32,503.82 = 6,676.29/x
  3. Step 3: Cross multiply
    21,668.85x = 32,503.82 × 6,676.29
  4. Step 4: Simplify right side
    21,668.85x = 217,004,895.05
  5. Step 5: Solve for x
    x = 217,004,895.05/21,668.85
  6. Step 6: Final answer
    x = 10,014.60

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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.