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Finding the Fourth Proportional to 64,933.56, 97,570.44 and 56,634.30

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Solution

The fourth proportional to 64,933.56, 97,570.44 and 56,634.30 is: 85,099.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,933.56 : 97,570.44 = 56,634.30 : x
  2. Step 2: Convert to fraction form
    64,933.56/97,570.44 = 56,634.30/x
  3. Step 3: Cross multiply
    64,933.56x = 97,570.44 × 56,634.30
  4. Step 4: Simplify right side
    64,933.56x = 5,525,833,570.09
  5. Step 5: Solve for x
    x = 5,525,833,570.09/64,933.56
  6. Step 6: Final answer
    x = 85,099.81

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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.