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Finding the Fourth Proportional to 41,121.60, 55,557.90 and 41,121.60

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Solution

The fourth proportional to 41,121.60, 55,557.90 and 41,121.60 is: 55,557.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,121.60 : 55,557.90 = 41,121.60 : x
  2. Step 2: Convert to fraction form
    41,121.60/55,557.90 = 41,121.60/x
  3. Step 3: Cross multiply
    41,121.60x = 55,557.90 × 41,121.60
  4. Step 4: Simplify right side
    41,121.60x = 2,284,629,740.64
  5. Step 5: Solve for x
    x = 2,284,629,740.64/41,121.60
  6. Step 6: Final answer
    x = 55,557.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.