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Finding the Fourth Proportional to 6,648.28, 9,973.62 and 2,753

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Solution

The fourth proportional to 6,648.28, 9,973.62 and 2,753 is: 4,130.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,648.28 : 9,973.62 = 2,753 : x
  2. Step 2: Convert to fraction form
    6,648.28/9,973.62 = 2,753/x
  3. Step 3: Cross multiply
    6,648.28x = 9,973.62 × 2,753
  4. Step 4: Simplify right side
    6,648.28x = 27,457,375.86
  5. Step 5: Solve for x
    x = 27,457,375.86/6,648.28
  6. Step 6: Final answer
    x = 4,130.00

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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.