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Finding the Fourth Proportional to 16,608.60, 24,912.96 and 4,922.72

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Solution

The fourth proportional to 16,608.60, 24,912.96 and 4,922.72 is: 7,384.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,608.60 : 24,912.96 = 4,922.72 : x
  2. Step 2: Convert to fraction form
    16,608.60/24,912.96 = 4,922.72/x
  3. Step 3: Cross multiply
    16,608.60x = 24,912.96 × 4,922.72
  4. Step 4: Simplify right side
    16,608.60x = 122,639,526.45
  5. Step 5: Solve for x
    x = 122,639,526.45/16,608.60
  6. Step 6: Final answer
    x = 7,384.10

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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.