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Finding the Fourth Proportional to 66,892.69, 100,344.50 and 33,595.63

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Solution

The fourth proportional to 66,892.69, 100,344.50 and 33,595.63 is: 50,396.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,892.69 : 100,344.50 = 33,595.63 : x
  2. Step 2: Convert to fraction form
    66,892.69/100,344.50 = 33,595.63/x
  3. Step 3: Cross multiply
    66,892.69x = 100,344.50 × 33,595.63
  4. Step 4: Simplify right side
    66,892.69x = 3,371,136,526.56
  5. Step 5: Solve for x
    x = 3,371,136,526.56/66,892.69
  6. Step 6: Final answer
    x = 50,396.19

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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.