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Finding the Fourth Proportional to 64,840.86, 97,261.29 and 33,610.50

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Solution

The fourth proportional to 64,840.86, 97,261.29 and 33,610.50 is: 50,415.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,840.86 : 97,261.29 = 33,610.50 : x
  2. Step 2: Convert to fraction form
    64,840.86/97,261.29 = 33,610.50/x
  3. Step 3: Cross multiply
    64,840.86x = 97,261.29 × 33,610.50
  4. Step 4: Simplify right side
    64,840.86x = 3,269,000,587.55
  5. Step 5: Solve for x
    x = 3,269,000,587.55/64,840.86
  6. Step 6: Final answer
    x = 50,415.75

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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.