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Finding the Fourth Proportional to 4,617.80, 6,912.30 and 4,473.80

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Solution

The fourth proportional to 4,617.80, 6,912.30 and 4,473.80 is: 6,696.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,617.80 : 6,912.30 = 4,473.80 : x
  2. Step 2: Convert to fraction form
    4,617.80/6,912.30 = 4,473.80/x
  3. Step 3: Cross multiply
    4,617.80x = 6,912.30 × 4,473.80
  4. Step 4: Simplify right side
    4,617.80x = 30,924,247.74
  5. Step 5: Solve for x
    x = 30,924,247.74/4,617.80
  6. Step 6: Final answer
    x = 6,696.75

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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.