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Finding the Fourth Proportional to 16,492.34, 22,759.51 and 8,938.68

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Solution

The fourth proportional to 16,492.34, 22,759.51 and 8,938.68 is: 12,335.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,492.34 : 22,759.51 = 8,938.68 : x
  2. Step 2: Convert to fraction form
    16,492.34/22,759.51 = 8,938.68/x
  3. Step 3: Cross multiply
    16,492.34x = 22,759.51 × 8,938.68
  4. Step 4: Simplify right side
    16,492.34x = 203,439,976.85
  5. Step 5: Solve for x
    x = 203,439,976.85/16,492.34
  6. Step 6: Final answer
    x = 12,335.42

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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.