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Finding the Fourth Proportional to 16,383.33, 22,608.93 and 8,931.33

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Solution

The fourth proportional to 16,383.33, 22,608.93 and 8,931.33 is: 12,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,383.33 : 22,608.93 = 8,931.33 : x
  2. Step 2: Convert to fraction form
    16,383.33/22,608.93 = 8,931.33/x
  3. Step 3: Cross multiply
    16,383.33x = 22,608.93 × 8,931.33
  4. Step 4: Simplify right side
    16,383.33x = 201,927,814.78
  5. Step 5: Solve for x
    x = 201,927,814.78/16,383.33
  6. Step 6: Final answer
    x = 12,325.20

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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.