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Finding the Fourth Proportional to 16,373.81, 22,595.86 and 8,921.81

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Solution

The fourth proportional to 16,373.81, 22,595.86 and 8,921.81 is: 12,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,373.81 : 22,595.86 = 8,921.81 : x
  2. Step 2: Convert to fraction form
    16,373.81/22,595.86 = 8,921.81/x
  3. Step 3: Cross multiply
    16,373.81x = 22,595.86 × 8,921.81
  4. Step 4: Simplify right side
    16,373.81x = 201,596,037.35
  5. Step 5: Solve for x
    x = 201,596,037.35/16,373.81
  6. Step 6: Final answer
    x = 12,312.10

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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.