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Finding the Fourth Proportional to 35,991.88, 53,998.20 and 11,035.61

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Solution

The fourth proportional to 35,991.88, 53,998.20 and 11,035.61 is: 16,556.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,991.88 : 53,998.20 = 11,035.61 : x
  2. Step 2: Convert to fraction form
    35,991.88/53,998.20 = 11,035.61/x
  3. Step 3: Cross multiply
    35,991.88x = 53,998.20 × 11,035.61
  4. Step 4: Simplify right side
    35,991.88x = 595,903,020.72
  5. Step 5: Solve for x
    x = 595,903,020.72/35,991.88
  6. Step 6: Final answer
    x = 16,556.60

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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.