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Finding the Fourth Proportional to 8,889.33, 13,329.51 and 2,964.11

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Solution

The fourth proportional to 8,889.33, 13,329.51 and 2,964.11 is: 4,444.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.33 : 13,329.51 = 2,964.11 : x
  2. Step 2: Convert to fraction form
    8,889.33/13,329.51 = 2,964.11/x
  3. Step 3: Cross multiply
    8,889.33x = 13,329.51 × 2,964.11
  4. Step 4: Simplify right side
    8,889.33x = 39,510,133.89
  5. Step 5: Solve for x
    x = 39,510,133.89/8,889.33
  6. Step 6: Final answer
    x = 4,444.67

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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.