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Finding the Fourth Proportional to 5,059.92, 6,983.28 and 2,964

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Solution

The fourth proportional to 5,059.92, 6,983.28 and 2,964 is: 4,090.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,059.92 : 6,983.28 = 2,964 : x
  2. Step 2: Convert to fraction form
    5,059.92/6,983.28 = 2,964/x
  3. Step 3: Cross multiply
    5,059.92x = 6,983.28 × 2,964
  4. Step 4: Simplify right side
    5,059.92x = 20,698,441.92
  5. Step 5: Solve for x
    x = 20,698,441.92/5,059.92
  6. Step 6: Final answer
    x = 4,090.67

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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.