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Finding the Fourth Proportional to 46,504.80, 69,786.88 and 16,919.80

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Solution

The fourth proportional to 46,504.80, 69,786.88 and 16,919.80 is: 25,390.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,504.80 : 69,786.88 = 16,919.80 : x
  2. Step 2: Convert to fraction form
    46,504.80/69,786.88 = 16,919.80/x
  3. Step 3: Cross multiply
    46,504.80x = 69,786.88 × 16,919.80
  4. Step 4: Simplify right side
    46,504.80x = 1,180,780,052.22
  5. Step 5: Solve for x
    x = 1,180,780,052.22/46,504.80
  6. Step 6: Final answer
    x = 25,390.50

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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.