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Finding the Fourth Proportional to 9,968, 14,953.24 and 3,393.68

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Solution

The fourth proportional to 9,968, 14,953.24 and 3,393.68 is: 5,090.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,968 : 14,953.24 = 3,393.68 : x
  2. Step 2: Convert to fraction form
    9,968/14,953.24 = 3,393.68/x
  3. Step 3: Cross multiply
    9,968x = 14,953.24 × 3,393.68
  4. Step 4: Simplify right side
    9,968x = 50,746,511.52
  5. Step 5: Solve for x
    x = 50,746,511.52/9,968
  6. Step 6: Final answer
    x = 5,090.94

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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.