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Finding the Fourth Proportional to 63,458.14, 87,575 and 35,163.76

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Solution

The fourth proportional to 63,458.14, 87,575 and 35,163.76 is: 48,527.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,458.14 : 87,575 = 35,163.76 : x
  2. Step 2: Convert to fraction form
    63,458.14/87,575 = 35,163.76/x
  3. Step 3: Cross multiply
    63,458.14x = 87,575 × 35,163.76
  4. Step 4: Simplify right side
    63,458.14x = 3,079,466,282
  5. Step 5: Solve for x
    x = 3,079,466,282/63,458.14
  6. Step 6: Final answer
    x = 48,527.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.