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Finding the Fourth Proportional to 66,593.58, 99,890.01 and 27,150.54

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Solution

The fourth proportional to 66,593.58, 99,890.01 and 27,150.54 is: 40,725.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,593.58 : 99,890.01 = 27,150.54 : x
  2. Step 2: Convert to fraction form
    66,593.58/99,890.01 = 27,150.54/x
  3. Step 3: Cross multiply
    66,593.58x = 99,890.01 × 27,150.54
  4. Step 4: Simplify right side
    66,593.58x = 2,712,067,712.11
  5. Step 5: Solve for x
    x = 2,712,067,712.11/66,593.58
  6. Step 6: Final answer
    x = 40,725.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.