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Finding the Fourth Proportional to 35,167.76, 52,734.72 and 11,777.84

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Solution

The fourth proportional to 35,167.76, 52,734.72 and 11,777.84 is: 17,661.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,167.76 : 52,734.72 = 11,777.84 : x
  2. Step 2: Convert to fraction form
    35,167.76/52,734.72 = 11,777.84/x
  3. Step 3: Cross multiply
    35,167.76x = 52,734.72 × 11,777.84
  4. Step 4: Simplify right side
    35,167.76x = 621,101,094.60
  5. Step 5: Solve for x
    x = 621,101,094.60/35,167.76
  6. Step 6: Final answer
    x = 17,661.09

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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.