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Finding the Fourth Proportional to 49,772.64, 74,650.32 and 16,940.64

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Solution

The fourth proportional to 49,772.64, 74,650.32 and 16,940.64 is: 25,408.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,772.64 : 74,650.32 = 16,940.64 : x
  2. Step 2: Convert to fraction form
    49,772.64/74,650.32 = 16,940.64/x
  3. Step 3: Cross multiply
    49,772.64x = 74,650.32 × 16,940.64
  4. Step 4: Simplify right side
    49,772.64x = 1,264,624,197.00
  5. Step 5: Solve for x
    x = 1,264,624,197.00/49,772.64
  6. Step 6: Final answer
    x = 25,408.02

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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.