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Finding the Fourth Proportional to 69,263.88, 95,584.17 and 39,455.88

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Solution

The fourth proportional to 69,263.88, 95,584.17 and 39,455.88 is: 54,449.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,263.88 : 95,584.17 = 39,455.88 : x
  2. Step 2: Convert to fraction form
    69,263.88/95,584.17 = 39,455.88/x
  3. Step 3: Cross multiply
    69,263.88x = 95,584.17 × 39,455.88
  4. Step 4: Simplify right side
    69,263.88x = 3,771,357,541.42
  5. Step 5: Solve for x
    x = 3,771,357,541.42/69,263.88
  6. Step 6: Final answer
    x = 54,449.12

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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.