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Finding the Fourth Proportional to 43,762.40, 65,546.40 and 37,930.40

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Solution

The fourth proportional to 43,762.40, 65,546.40 and 37,930.40 is: 56,811.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,762.40 : 65,546.40 = 37,930.40 : x
  2. Step 2: Convert to fraction form
    43,762.40/65,546.40 = 37,930.40/x
  3. Step 3: Cross multiply
    43,762.40x = 65,546.40 × 37,930.40
  4. Step 4: Simplify right side
    43,762.40x = 2,486,201,170.56
  5. Step 5: Solve for x
    x = 2,486,201,170.56/43,762.40
  6. Step 6: Final answer
    x = 56,811.35

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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.