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Finding the Fourth Proportional to 66,083.92, 91,195.89 and 35,869.25

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Solution

The fourth proportional to 66,083.92, 91,195.89 and 35,869.25 is: 49,499.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,083.92 : 91,195.89 = 35,869.25 : x
  2. Step 2: Convert to fraction form
    66,083.92/91,195.89 = 35,869.25/x
  3. Step 3: Cross multiply
    66,083.92x = 91,195.89 × 35,869.25
  4. Step 4: Simplify right side
    66,083.92x = 3,271,127,855.91
  5. Step 5: Solve for x
    x = 3,271,127,855.91/66,083.92
  6. Step 6: Final answer
    x = 49,499.61

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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.