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Finding the Fourth Proportional to 89,059.50, 133,647.57 and 33,655.50

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Solution

The fourth proportional to 89,059.50, 133,647.57 and 33,655.50 is: 50,505.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,059.50 : 133,647.57 = 33,655.50 : x
  2. Step 2: Convert to fraction form
    89,059.50/133,647.57 = 33,655.50/x
  3. Step 3: Cross multiply
    89,059.50x = 133,647.57 × 33,655.50
  4. Step 4: Simplify right side
    89,059.50x = 4,497,975,792.14
  5. Step 5: Solve for x
    x = 4,497,975,792.14/89,059.50
  6. Step 6: Final answer
    x = 50,505.29

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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.