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Finding the Fourth Proportional to 64,868.22, 97,127.06 and 33,637.86

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Solution

The fourth proportional to 64,868.22, 97,127.06 and 33,637.86 is: 50,365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,868.22 : 97,127.06 = 33,637.86 : x
  2. Step 2: Convert to fraction form
    64,868.22/97,127.06 = 33,637.86/x
  3. Step 3: Cross multiply
    64,868.22x = 97,127.06 × 33,637.86
  4. Step 4: Simplify right side
    64,868.22x = 3,267,146,278.30
  5. Step 5: Solve for x
    x = 3,267,146,278.30/64,868.22
  6. Step 6: Final answer
    x = 50,365.90

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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.