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Finding the Fourth Proportional to 8,873.31, 13,312.22 and 3,326.67

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Solution

The fourth proportional to 8,873.31, 13,312.22 and 3,326.67 is: 4,990.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,873.31 : 13,312.22 = 3,326.67 : x
  2. Step 2: Convert to fraction form
    8,873.31/13,312.22 = 3,326.67/x
  3. Step 3: Cross multiply
    8,873.31x = 13,312.22 × 3,326.67
  4. Step 4: Simplify right side
    8,873.31x = 44,285,362.91
  5. Step 5: Solve for x
    x = 44,285,362.91/8,873.31
  6. Step 6: Final answer
    x = 4,990.85

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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.