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Finding the Fourth Proportional to 16,584, 22,885.92 and 9,132

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Solution

The fourth proportional to 16,584, 22,885.92 and 9,132 is: 12,602.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,584 : 22,885.92 = 9,132 : x
  2. Step 2: Convert to fraction form
    16,584/22,885.92 = 9,132/x
  3. Step 3: Cross multiply
    16,584x = 22,885.92 × 9,132
  4. Step 4: Simplify right side
    16,584x = 208,994,221.44
  5. Step 5: Solve for x
    x = 208,994,221.44/16,584
  6. Step 6: Final answer
    x = 12,602.16

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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.