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Finding the Fourth Proportional to 4,950.56, 6,830.88 and 4,292.48

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Solution

The fourth proportional to 4,950.56, 6,830.88 and 4,292.48 is: 5,922.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,950.56 : 6,830.88 = 4,292.48 : x
  2. Step 2: Convert to fraction form
    4,950.56/6,830.88 = 4,292.48/x
  3. Step 3: Cross multiply
    4,950.56x = 6,830.88 × 4,292.48
  4. Step 4: Simplify right side
    4,950.56x = 29,321,415.78
  5. Step 5: Solve for x
    x = 29,321,415.78/4,950.56
  6. Step 6: Final answer
    x = 5,922.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.