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Finding the Fourth Proportional to 16,651.97, 22,953.03 and 11,272.71

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Solution

The fourth proportional to 16,651.97, 22,953.03 and 11,272.71 is: 15,538.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,651.97 : 22,953.03 = 11,272.71 : x
  2. Step 2: Convert to fraction form
    16,651.97/22,953.03 = 11,272.71/x
  3. Step 3: Cross multiply
    16,651.97x = 22,953.03 × 11,272.71
  4. Step 4: Simplify right side
    16,651.97x = 258,742,850.81
  5. Step 5: Solve for x
    x = 258,742,850.81/16,651.97
  6. Step 6: Final answer
    x = 15,538.27

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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.