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Finding the Fourth Proportional to 43,347.79, 65,023.94 and 13,767.94

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Solution

The fourth proportional to 43,347.79, 65,023.94 and 13,767.94 is: 20,652.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,347.79 : 65,023.94 = 13,767.94 : x
  2. Step 2: Convert to fraction form
    43,347.79/65,023.94 = 13,767.94/x
  3. Step 3: Cross multiply
    43,347.79x = 65,023.94 × 13,767.94
  4. Step 4: Simplify right side
    43,347.79x = 895,245,820.18
  5. Step 5: Solve for x
    x = 895,245,820.18/43,347.79
  6. Step 6: Final answer
    x = 20,652.63

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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.