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Finding the Fourth Proportional to 41,643.80, 62,465.70 and 12,062.60

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Solution

The fourth proportional to 41,643.80, 62,465.70 and 12,062.60 is: 18,093.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,643.80 : 62,465.70 = 12,062.60 : x
  2. Step 2: Convert to fraction form
    41,643.80/62,465.70 = 12,062.60/x
  3. Step 3: Cross multiply
    41,643.80x = 62,465.70 × 12,062.60
  4. Step 4: Simplify right side
    41,643.80x = 753,498,752.82
  5. Step 5: Solve for x
    x = 753,498,752.82/41,643.80
  6. Step 6: Final answer
    x = 18,093.90

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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.