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Finding the Fourth Proportional to 64,891.74, 97,317.48 and 27,451.20

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Solution

The fourth proportional to 64,891.74, 97,317.48 and 27,451.20 is: 41,168.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,891.74 : 97,317.48 = 27,451.20 : x
  2. Step 2: Convert to fraction form
    64,891.74/97,317.48 = 27,451.20/x
  3. Step 3: Cross multiply
    64,891.74x = 97,317.48 × 27,451.20
  4. Step 4: Simplify right side
    64,891.74x = 2,671,481,606.98
  5. Step 5: Solve for x
    x = 2,671,481,606.98/64,891.74
  6. Step 6: Final answer
    x = 41,168.28

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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.