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Finding the Fourth Proportional to 89,592.70, 134,269.61 and 33,376.20

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Solution

The fourth proportional to 89,592.70, 134,269.61 and 33,376.20 is: 50,019.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,592.70 : 134,269.61 = 33,376.20 : x
  2. Step 2: Convert to fraction form
    89,592.70/134,269.61 = 33,376.20/x
  3. Step 3: Cross multiply
    89,592.70x = 134,269.61 × 33,376.20
  4. Step 4: Simplify right side
    89,592.70x = 4,481,409,357.28
  5. Step 5: Solve for x
    x = 4,481,409,357.28/89,592.70
  6. Step 6: Final answer
    x = 50,019.80

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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.