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Finding the Fourth Proportional to 16,373.28, 22,595.10 and 8,921.28

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Solution

The fourth proportional to 16,373.28, 22,595.10 and 8,921.28 is: 12,311.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,373.28 : 22,595.10 = 8,921.28 : x
  2. Step 2: Convert to fraction form
    16,373.28/22,595.10 = 8,921.28/x
  3. Step 3: Cross multiply
    16,373.28x = 22,595.10 × 8,921.28
  4. Step 4: Simplify right side
    16,373.28x = 201,577,213.73
  5. Step 5: Solve for x
    x = 201,577,213.73/16,373.28
  6. Step 6: Final answer
    x = 12,311.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.