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Finding the Fourth Proportional to 64,680.96, 97,028.28 and 17,933.88

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Solution

The fourth proportional to 64,680.96, 97,028.28 and 17,933.88 is: 26,902.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,680.96 : 97,028.28 = 17,933.88 : x
  2. Step 2: Convert to fraction form
    64,680.96/97,028.28 = 17,933.88/x
  3. Step 3: Cross multiply
    64,680.96x = 97,028.28 × 17,933.88
  4. Step 4: Simplify right side
    64,680.96x = 1,740,093,530.13
  5. Step 5: Solve for x
    x = 1,740,093,530.13/64,680.96
  6. Step 6: Final answer
    x = 26,902.72

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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.