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Finding the Fourth Proportional to 9,326.58, 12,870.30 and 5,344.92

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Solution

The fourth proportional to 9,326.58, 12,870.30 and 5,344.92 is: 7,375.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,326.58 : 12,870.30 = 5,344.92 : x
  2. Step 2: Convert to fraction form
    9,326.58/12,870.30 = 5,344.92/x
  3. Step 3: Cross multiply
    9,326.58x = 12,870.30 × 5,344.92
  4. Step 4: Simplify right side
    9,326.58x = 68,790,723.88
  5. Step 5: Solve for x
    x = 68,790,723.88/9,326.58
  6. Step 6: Final answer
    x = 7,375.77

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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.