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Finding the Fourth Proportional to 9,968.57, 14,953.21 and 3,393.90

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Solution

The fourth proportional to 9,968.57, 14,953.21 and 3,393.90 is: 5,090.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,968.57 : 14,953.21 = 3,393.90 : x
  2. Step 2: Convert to fraction form
    9,968.57/14,953.21 = 3,393.90/x
  3. Step 3: Cross multiply
    9,968.57x = 14,953.21 × 3,393.90
  4. Step 4: Simplify right side
    9,968.57x = 50,749,699.42
  5. Step 5: Solve for x
    x = 50,749,699.42/9,968.57
  6. Step 6: Final answer
    x = 5,090.97

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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.