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Finding the Fourth Proportional to 17,039.68, 23,521.28 and 9,968.48

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Solution

The fourth proportional to 17,039.68, 23,521.28 and 9,968.48 is: 13,760.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,039.68 : 23,521.28 = 9,968.48 : x
  2. Step 2: Convert to fraction form
    17,039.68/23,521.28 = 9,968.48/x
  3. Step 3: Cross multiply
    17,039.68x = 23,521.28 × 9,968.48
  4. Step 4: Simplify right side
    17,039.68x = 234,471,409.25
  5. Step 5: Solve for x
    x = 234,471,409.25/17,039.68
  6. Step 6: Final answer
    x = 13,760.32

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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.