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Finding the Fourth Proportional to 17,111, 23,632.62 and 11,512.28

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Solution

The fourth proportional to 17,111, 23,632.62 and 11,512.28 is: 15,900.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,111 : 23,632.62 = 11,512.28 : x
  2. Step 2: Convert to fraction form
    17,111/23,632.62 = 11,512.28/x
  3. Step 3: Cross multiply
    17,111x = 23,632.62 × 11,512.28
  4. Step 4: Simplify right side
    17,111x = 272,065,338.57
  5. Step 5: Solve for x
    x = 272,065,338.57/17,111
  6. Step 6: Final answer
    x = 15,900.03

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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.