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Finding the Fourth Proportional to 89,084.70, 133,626.96 and 36,494.28

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Solution

The fourth proportional to 89,084.70, 133,626.96 and 36,494.28 is: 54,741.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,084.70 : 133,626.96 = 36,494.28 : x
  2. Step 2: Convert to fraction form
    89,084.70/133,626.96 = 36,494.28/x
  3. Step 3: Cross multiply
    89,084.70x = 133,626.96 × 36,494.28
  4. Step 4: Simplify right side
    89,084.70x = 4,876,619,693.79
  5. Step 5: Solve for x
    x = 4,876,619,693.79/89,084.70
  6. Step 6: Final answer
    x = 54,741.38

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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.