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Finding the Fourth Proportional to 66,845.65, 100,216.43 and 33,088.37

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Solution

The fourth proportional to 66,845.65, 100,216.43 and 33,088.37 is: 49,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,845.65 : 100,216.43 = 33,088.37 : x
  2. Step 2: Convert to fraction form
    66,845.65/100,216.43 = 33,088.37/x
  3. Step 3: Cross multiply
    66,845.65x = 100,216.43 × 33,088.37
  4. Step 4: Simplify right side
    66,845.65x = 3,315,998,401.02
  5. Step 5: Solve for x
    x = 3,315,998,401.02/66,845.65
  6. Step 6: Final answer
    x = 49,606.80

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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.