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Finding the Fourth Proportional to 43,651.80, 65,404.80 and 37,382.40

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Solution

The fourth proportional to 43,651.80, 65,404.80 and 37,382.40 is: 56,011.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,651.80 : 65,404.80 = 37,382.40 : x
  2. Step 2: Convert to fraction form
    43,651.80/65,404.80 = 37,382.40/x
  3. Step 3: Cross multiply
    43,651.80x = 65,404.80 × 37,382.40
  4. Step 4: Simplify right side
    43,651.80x = 2,444,988,395.52
  5. Step 5: Solve for x
    x = 2,444,988,395.52/43,651.80
  6. Step 6: Final answer
    x = 56,011.17

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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.