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Finding the Fourth Proportional to 69,636.88, 96,097.86 and 39,427.96

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Solution

The fourth proportional to 69,636.88, 96,097.86 and 39,427.96 is: 54,410.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,636.88 : 96,097.86 = 39,427.96 : x
  2. Step 2: Convert to fraction form
    69,636.88/96,097.86 = 39,427.96/x
  3. Step 3: Cross multiply
    69,636.88x = 96,097.86 × 39,427.96
  4. Step 4: Simplify right side
    69,636.88x = 3,788,942,580.17
  5. Step 5: Solve for x
    x = 3,788,942,580.17/69,636.88
  6. Step 6: Final answer
    x = 54,410.00

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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.