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Finding the Fourth Proportional to 14,683.08, 20,262.54 and 7,968.54

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Solution

The fourth proportional to 14,683.08, 20,262.54 and 7,968.54 is: 10,996.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,683.08 : 20,262.54 = 7,968.54 : x
  2. Step 2: Convert to fraction form
    14,683.08/20,262.54 = 7,968.54/x
  3. Step 3: Cross multiply
    14,683.08x = 20,262.54 × 7,968.54
  4. Step 4: Simplify right side
    14,683.08x = 161,462,860.49
  5. Step 5: Solve for x
    x = 161,462,860.49/14,683.08
  6. Step 6: Final answer
    x = 10,996.53

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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.