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Finding the Fourth Proportional to 14,662.82, 20,234.48 and 7,948.33

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Solution

The fourth proportional to 14,662.82, 20,234.48 and 7,948.33 is: 10,968.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,662.82 : 20,234.48 = 7,948.33 : x
  2. Step 2: Convert to fraction form
    14,662.82/20,234.48 = 7,948.33/x
  3. Step 3: Cross multiply
    14,662.82x = 20,234.48 × 7,948.33
  4. Step 4: Simplify right side
    14,662.82x = 160,830,234.09
  5. Step 5: Solve for x
    x = 160,830,234.09/14,662.82
  6. Step 6: Final answer
    x = 10,968.57

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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.