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Finding the Fourth Proportional to 69,696.92, 96,160.56 and 39,477.44

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Solution

The fourth proportional to 69,696.92, 96,160.56 and 39,477.44 is: 54,466.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,696.92 : 96,160.56 = 39,477.44 : x
  2. Step 2: Convert to fraction form
    69,696.92/96,160.56 = 39,477.44/x
  3. Step 3: Cross multiply
    69,696.92x = 96,160.56 × 39,477.44
  4. Step 4: Simplify right side
    69,696.92x = 3,796,172,737.77
  5. Step 5: Solve for x
    x = 3,796,172,737.77/69,696.92
  6. Step 6: Final answer
    x = 54,466.87

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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.