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Finding the Fourth Proportional to 41,990.40, 57,153.60 and 41,990.40

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Solution

The fourth proportional to 41,990.40, 57,153.60 and 41,990.40 is: 57,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,990.40 : 57,153.60 = 41,990.40 : x
  2. Step 2: Convert to fraction form
    41,990.40/57,153.60 = 41,990.40/x
  3. Step 3: Cross multiply
    41,990.40x = 57,153.60 × 41,990.40
  4. Step 4: Simplify right side
    41,990.40x = 2,399,902,525.44
  5. Step 5: Solve for x
    x = 2,399,902,525.44/41,990.40
  6. Step 6: Final answer
    x = 57,153.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.