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Finding the Fourth Proportional to 16,305.84, 22,500.72 and 9,234

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Solution

The fourth proportional to 16,305.84, 22,500.72 and 9,234 is: 12,742.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,305.84 : 22,500.72 = 9,234 : x
  2. Step 2: Convert to fraction form
    16,305.84/22,500.72 = 9,234/x
  3. Step 3: Cross multiply
    16,305.84x = 22,500.72 × 9,234
  4. Step 4: Simplify right side
    16,305.84x = 207,771,648.48
  5. Step 5: Solve for x
    x = 207,771,648.48/16,305.84
  6. Step 6: Final answer
    x = 12,742.16

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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.