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Finding the Fourth Proportional to 69,992.92, 96,592.48 and 39,371.32

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Solution

The fourth proportional to 69,992.92, 96,592.48 and 39,371.32 is: 54,333.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,992.92 : 96,592.48 = 39,371.32 : x
  2. Step 2: Convert to fraction form
    69,992.92/96,592.48 = 39,371.32/x
  3. Step 3: Cross multiply
    69,992.92x = 96,592.48 × 39,371.32
  4. Step 4: Simplify right side
    69,992.92x = 3,802,973,099.76
  5. Step 5: Solve for x
    x = 3,802,973,099.76/69,992.92
  6. Step 6: Final answer
    x = 54,333.68

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1.5x scale

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.