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Finding the Fourth Proportional to 47,794.80, 71,692.20 and 46,628.40

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Solution

The fourth proportional to 47,794.80, 71,692.20 and 46,628.40 is: 69,942.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,794.80 : 71,692.20 = 46,628.40 : x
  2. Step 2: Convert to fraction form
    47,794.80/71,692.20 = 46,628.40/x
  3. Step 3: Cross multiply
    47,794.80x = 71,692.20 × 46,628.40
  4. Step 4: Simplify right side
    47,794.80x = 3,342,892,578.48
  5. Step 5: Solve for x
    x = 3,342,892,578.48/47,794.80
  6. Step 6: Final answer
    x = 69,942.60

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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.