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Finding the Fourth Proportional to 41,622.40, 62,441.70 and 12,041.20

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Solution

The fourth proportional to 41,622.40, 62,441.70 and 12,041.20 is: 18,064.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,622.40 : 62,441.70 = 12,041.20 : x
  2. Step 2: Convert to fraction form
    41,622.40/62,441.70 = 12,041.20/x
  3. Step 3: Cross multiply
    41,622.40x = 62,441.70 × 12,041.20
  4. Step 4: Simplify right side
    41,622.40x = 751,872,998.04
  5. Step 5: Solve for x
    x = 751,872,998.04/41,622.40
  6. Step 6: Final answer
    x = 18,064.14

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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.