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Finding the Fourth Proportional to 16,922.23, 25,406.64 and 8,607.88

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Solution

The fourth proportional to 16,922.23, 25,406.64 and 8,607.88 is: 12,923.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,922.23 : 25,406.64 = 8,607.88 : x
  2. Step 2: Convert to fraction form
    16,922.23/25,406.64 = 8,607.88/x
  3. Step 3: Cross multiply
    16,922.23x = 25,406.64 × 8,607.88
  4. Step 4: Simplify right side
    16,922.23x = 218,697,202.81
  5. Step 5: Solve for x
    x = 218,697,202.81/16,922.23
  6. Step 6: Final answer
    x = 12,923.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.