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Finding the Fourth Proportional to 35,989.39, 53,984.07 and 11,029.33

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Solution

The fourth proportional to 35,989.39, 53,984.07 and 11,029.33 is: 16,543.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,989.39 : 53,984.07 = 11,029.33 : x
  2. Step 2: Convert to fraction form
    35,989.39/53,984.07 = 11,029.33/x
  3. Step 3: Cross multiply
    35,989.39x = 53,984.07 × 11,029.33
  4. Step 4: Simplify right side
    35,989.39x = 595,408,122.77
  5. Step 5: Solve for x
    x = 595,408,122.77/35,989.39
  6. Step 6: Final answer
    x = 16,543.99

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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.