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Finding the Fourth Proportional to 2,911.56, 4,018.04 and 1,652.67

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Solution

The fourth proportional to 2,911.56, 4,018.04 and 1,652.67 is: 2,280.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.56 : 4,018.04 = 1,652.67 : x
  2. Step 2: Convert to fraction form
    2,911.56/4,018.04 = 1,652.67/x
  3. Step 3: Cross multiply
    2,911.56x = 4,018.04 × 1,652.67
  4. Step 4: Simplify right side
    2,911.56x = 6,640,485.90
  5. Step 5: Solve for x
    x = 6,640,485.90/2,911.56
  6. Step 6: Final answer
    x = 2,280.73

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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.