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Finding the Fourth Proportional to 89,658.54, 134,487.60 and 27,329.04

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Solution

The fourth proportional to 89,658.54, 134,487.60 and 27,329.04 is: 40,993.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,658.54 : 134,487.60 = 27,329.04 : x
  2. Step 2: Convert to fraction form
    89,658.54/134,487.60 = 27,329.04/x
  3. Step 3: Cross multiply
    89,658.54x = 134,487.60 × 27,329.04
  4. Step 4: Simplify right side
    89,658.54x = 3,675,416,999.90
  5. Step 5: Solve for x
    x = 3,675,416,999.90/89,658.54
  6. Step 6: Final answer
    x = 40,993.50

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Double scale
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Similar ratio
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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.