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Finding the Fourth Proportional to 4,674.94, 6,999.98 and 2,823.55

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Solution

The fourth proportional to 4,674.94, 6,999.98 and 2,823.55 is: 4,227.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,674.94 : 6,999.98 = 2,823.55 : x
  2. Step 2: Convert to fraction form
    4,674.94/6,999.98 = 2,823.55/x
  3. Step 3: Cross multiply
    4,674.94x = 6,999.98 × 2,823.55
  4. Step 4: Simplify right side
    4,674.94x = 19,764,758.53
  5. Step 5: Solve for x
    x = 19,764,758.53/4,674.94
  6. Step 6: Final answer
    x = 4,227.81

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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.