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Finding the Fourth Proportional to 7,213.24, 9,952.24 and 4,826.72

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Solution

The fourth proportional to 7,213.24, 9,952.24 and 4,826.72 is: 6,659.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.24 : 9,952.24 = 4,826.72 : x
  2. Step 2: Convert to fraction form
    7,213.24/9,952.24 = 4,826.72/x
  3. Step 3: Cross multiply
    7,213.24x = 9,952.24 × 4,826.72
  4. Step 4: Simplify right side
    7,213.24x = 48,036,675.85
  5. Step 5: Solve for x
    x = 48,036,675.85/7,213.24
  6. Step 6: Final answer
    x = 6,659.51

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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.