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Finding the Fourth Proportional to 64,844.88, 97,239.24 and 27,421.68

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Solution

The fourth proportional to 64,844.88, 97,239.24 and 27,421.68 is: 41,120.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,844.88 : 97,239.24 = 27,421.68 : x
  2. Step 2: Convert to fraction form
    64,844.88/97,239.24 = 27,421.68/x
  3. Step 3: Cross multiply
    64,844.88x = 97,239.24 × 27,421.68
  4. Step 4: Simplify right side
    64,844.88x = 2,666,463,322.72
  5. Step 5: Solve for x
    x = 2,666,463,322.72/64,844.88
  6. Step 6: Final answer
    x = 41,120.65

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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.