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Finding the Fourth Proportional to 11,028.64, 16,551.28 and 5,835.68

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Solution

The fourth proportional to 11,028.64, 16,551.28 and 5,835.68 is: 8,757.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.64 : 16,551.28 = 5,835.68 : x
  2. Step 2: Convert to fraction form
    11,028.64/16,551.28 = 5,835.68/x
  3. Step 3: Cross multiply
    11,028.64x = 16,551.28 × 5,835.68
  4. Step 4: Simplify right side
    11,028.64x = 96,587,973.67
  5. Step 5: Solve for x
    x = 96,587,973.67/11,028.64
  6. Step 6: Final answer
    x = 8,757.92

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1.5x scale

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.