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Finding the Fourth Proportional to 71,799.94, 99,083.06 and 39,533.87

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Solution

The fourth proportional to 71,799.94, 99,083.06 and 39,533.87 is: 54,556.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,799.94 : 99,083.06 = 39,533.87 : x
  2. Step 2: Convert to fraction form
    71,799.94/99,083.06 = 39,533.87/x
  3. Step 3: Cross multiply
    71,799.94x = 99,083.06 × 39,533.87
  4. Step 4: Simplify right side
    71,799.94x = 3,917,137,233.91
  5. Step 5: Solve for x
    x = 3,917,137,233.91/71,799.94
  6. Step 6: Final answer
    x = 54,556.27

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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.