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Finding the Fourth Proportional to 16,481.61, 22,744.57 and 8,927.93

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Solution

The fourth proportional to 16,481.61, 22,744.57 and 8,927.93 is: 12,320.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,481.61 : 22,744.57 = 8,927.93 : x
  2. Step 2: Convert to fraction form
    16,481.61/22,744.57 = 8,927.93/x
  3. Step 3: Cross multiply
    16,481.61x = 22,744.57 × 8,927.93
  4. Step 4: Simplify right side
    16,481.61x = 203,061,928.84
  5. Step 5: Solve for x
    x = 203,061,928.84/16,481.61
  6. Step 6: Final answer
    x = 12,320.52

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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.