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Finding the Fourth Proportional to 5,628.70, 8,474.22 and 4,974.33

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Solution

The fourth proportional to 5,628.70, 8,474.22 and 4,974.33 is: 7,489.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.70 : 8,474.22 = 4,974.33 : x
  2. Step 2: Convert to fraction form
    5,628.70/8,474.22 = 4,974.33/x
  3. Step 3: Cross multiply
    5,628.70x = 8,474.22 × 4,974.33
  4. Step 4: Simplify right side
    5,628.70x = 42,153,566.77
  5. Step 5: Solve for x
    x = 42,153,566.77/5,628.70
  6. Step 6: Final answer
    x = 7,489.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.