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Finding the Fourth Proportional to 64,882.56, 97,323.72 and 15,634.56

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Solution

The fourth proportional to 64,882.56, 97,323.72 and 15,634.56 is: 23,451.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,882.56 : 97,323.72 = 15,634.56 : x
  2. Step 2: Convert to fraction form
    64,882.56/97,323.72 = 15,634.56/x
  3. Step 3: Cross multiply
    64,882.56x = 97,323.72 × 15,634.56
  4. Step 4: Simplify right side
    64,882.56x = 1,521,613,539.76
  5. Step 5: Solve for x
    x = 1,521,613,539.76/64,882.56
  6. Step 6: Final answer
    x = 23,451.81

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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.