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Finding the Fourth Proportional to 11,493.90, 17,228.60 and 6,552.90

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Solution

The fourth proportional to 11,493.90, 17,228.60 and 6,552.90 is: 9,822.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,493.90 : 17,228.60 = 6,552.90 : x
  2. Step 2: Convert to fraction form
    11,493.90/17,228.60 = 6,552.90/x
  3. Step 3: Cross multiply
    11,493.90x = 17,228.60 × 6,552.90
  4. Step 4: Simplify right side
    11,493.90x = 112,897,292.94
  5. Step 5: Solve for x
    x = 112,897,292.94/11,493.90
  6. Step 6: Final answer
    x = 9,822.37

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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.