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Finding the Fourth Proportional to 8,873.58, 13,312.17 and 3,326.79

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Solution

The fourth proportional to 8,873.58, 13,312.17 and 3,326.79 is: 4,990.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,873.58 : 13,312.17 = 3,326.79 : x
  2. Step 2: Convert to fraction form
    8,873.58/13,312.17 = 3,326.79/x
  3. Step 3: Cross multiply
    8,873.58x = 13,312.17 × 3,326.79
  4. Step 4: Simplify right side
    8,873.58x = 44,286,794.03
  5. Step 5: Solve for x
    x = 44,286,794.03/8,873.58
  6. Step 6: Final answer
    x = 4,990.86

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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.