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Finding the Fourth Proportional to 63,806.40, 95,666.40 and 33,825.60

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Solution

The fourth proportional to 63,806.40, 95,666.40 and 33,825.60 is: 50,715.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,806.40 : 95,666.40 = 33,825.60 : x
  2. Step 2: Convert to fraction form
    63,806.40/95,666.40 = 33,825.60/x
  3. Step 3: Cross multiply
    63,806.40x = 95,666.40 × 33,825.60
  4. Step 4: Simplify right side
    63,806.40x = 3,235,973,379.84
  5. Step 5: Solve for x
    x = 3,235,973,379.84/63,806.40
  6. Step 6: Final answer
    x = 50,715.50

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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.