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Finding the Fourth Proportional to 16,642.45, 22,965.28 and 9,567.51

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Solution

The fourth proportional to 16,642.45, 22,965.28 and 9,567.51 is: 13,202.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,642.45 : 22,965.28 = 9,567.51 : x
  2. Step 2: Convert to fraction form
    16,642.45/22,965.28 = 9,567.51/x
  3. Step 3: Cross multiply
    16,642.45x = 22,965.28 × 9,567.51
  4. Step 4: Simplify right side
    16,642.45x = 219,720,546.05
  5. Step 5: Solve for x
    x = 219,720,546.05/16,642.45
  6. Step 6: Final answer
    x = 13,202.42

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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.