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Finding the Fourth Proportional to 43,648.74, 65,394.84 and 26,520.48

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Solution

The fourth proportional to 43,648.74, 65,394.84 and 26,520.48 is: 39,733.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,648.74 : 65,394.84 = 26,520.48 : x
  2. Step 2: Convert to fraction form
    43,648.74/65,394.84 = 26,520.48/x
  3. Step 3: Cross multiply
    43,648.74x = 65,394.84 × 26,520.48
  4. Step 4: Simplify right side
    43,648.74x = 1,734,302,546.32
  5. Step 5: Solve for x
    x = 1,734,302,546.32/43,648.74
  6. Step 6: Final answer
    x = 39,733.16

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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.