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Finding the Fourth Proportional to 63,978.68, 95,926.94 and 26,564.57

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Solution

The fourth proportional to 63,978.68, 95,926.94 and 26,564.57 is: 39,829.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,978.68 : 95,926.94 = 26,564.57 : x
  2. Step 2: Convert to fraction form
    63,978.68/95,926.94 = 26,564.57/x
  3. Step 3: Cross multiply
    63,978.68x = 95,926.94 × 26,564.57
  4. Step 4: Simplify right side
    63,978.68x = 2,548,257,300.06
  5. Step 5: Solve for x
    x = 2,548,257,300.06/63,978.68
  6. Step 6: Final answer
    x = 39,829.79

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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.