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Finding the Fourth Proportional to 16,608.81, 22,921.43 and 9,537.51

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Solution

The fourth proportional to 16,608.81, 22,921.43 and 9,537.51 is: 13,162.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,608.81 : 22,921.43 = 9,537.51 : x
  2. Step 2: Convert to fraction form
    16,608.81/22,921.43 = 9,537.51/x
  3. Step 3: Cross multiply
    16,608.81x = 22,921.43 × 9,537.51
  4. Step 4: Simplify right side
    16,608.81x = 218,613,320.15
  5. Step 5: Solve for x
    x = 218,613,320.15/16,608.81
  6. Step 6: Final answer
    x = 13,162.49

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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.