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Finding the Fourth Proportional to 64,741.77, 97,112.12 and 17,994.51

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Solution

The fourth proportional to 64,741.77, 97,112.12 and 17,994.51 is: 26,991.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,741.77 : 97,112.12 = 17,994.51 : x
  2. Step 2: Convert to fraction form
    64,741.77/97,112.12 = 17,994.51/x
  3. Step 3: Cross multiply
    64,741.77x = 97,112.12 × 17,994.51
  4. Step 4: Simplify right side
    64,741.77x = 1,747,484,924.49
  5. Step 5: Solve for x
    x = 1,747,484,924.49/64,741.77
  6. Step 6: Final answer
    x = 26,991.61

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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.