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Finding the Fourth Proportional to 4,890.16, 6,748.36 and 2,652

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Solution

The fourth proportional to 4,890.16, 6,748.36 and 2,652 is: 3,659.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.16 : 6,748.36 = 2,652 : x
  2. Step 2: Convert to fraction form
    4,890.16/6,748.36 = 2,652/x
  3. Step 3: Cross multiply
    4,890.16x = 6,748.36 × 2,652
  4. Step 4: Simplify right side
    4,890.16x = 17,896,650.72
  5. Step 5: Solve for x
    x = 17,896,650.72/4,890.16
  6. Step 6: Final answer
    x = 3,659.73

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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.