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Finding the Fourth Proportional to 16,486.79, 22,751.86 and 8,933.13

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Solution

The fourth proportional to 16,486.79, 22,751.86 and 8,933.13 is: 12,327.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,486.79 : 22,751.86 = 8,933.13 : x
  2. Step 2: Convert to fraction form
    16,486.79/22,751.86 = 8,933.13/x
  3. Step 3: Cross multiply
    16,486.79x = 22,751.86 × 8,933.13
  4. Step 4: Simplify right side
    16,486.79x = 203,245,254.68
  5. Step 5: Solve for x
    x = 203,245,254.68/16,486.79
  6. Step 6: Final answer
    x = 12,327.76

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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.