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Finding the Fourth Proportional to 89,485.42, 134,228.13 and 36,893.54

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Solution

The fourth proportional to 89,485.42, 134,228.13 and 36,893.54 is: 55,340.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,485.42 : 134,228.13 = 36,893.54 : x
  2. Step 2: Convert to fraction form
    89,485.42/134,228.13 = 36,893.54/x
  3. Step 3: Cross multiply
    89,485.42x = 134,228.13 × 36,893.54
  4. Step 4: Simplify right side
    89,485.42x = 4,952,150,212.14
  5. Step 5: Solve for x
    x = 4,952,150,212.14/89,485.42
  6. Step 6: Final answer
    x = 55,340.30

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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.