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Finding the Fourth Proportional to 43,674.40, 65,657.40 and 37,259.20

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Solution

The fourth proportional to 43,674.40, 65,657.40 and 37,259.20 is: 56,013.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,674.40 : 65,657.40 = 37,259.20 : x
  2. Step 2: Convert to fraction form
    43,674.40/65,657.40 = 37,259.20/x
  3. Step 3: Cross multiply
    43,674.40x = 65,657.40 × 37,259.20
  4. Step 4: Simplify right side
    43,674.40x = 2,446,342,198.08
  5. Step 5: Solve for x
    x = 2,446,342,198.08/43,674.40
  6. Step 6: Final answer
    x = 56,013.18

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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.