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Finding the Fourth Proportional to 69,280.38, 95,598.81 and 39,063.91

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Solution

The fourth proportional to 69,280.38, 95,598.81 and 39,063.91 is: 53,903.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,280.38 : 95,598.81 = 39,063.91 : x
  2. Step 2: Convert to fraction form
    69,280.38/95,598.81 = 39,063.91/x
  3. Step 3: Cross multiply
    69,280.38x = 95,598.81 × 39,063.91
  4. Step 4: Simplify right side
    69,280.38x = 3,734,462,636.63
  5. Step 5: Solve for x
    x = 3,734,462,636.63/69,280.38
  6. Step 6: Final answer
    x = 53,903.61

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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.