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Finding the Fourth Proportional to 43,751.80, 65,676.30 and 27,130.60

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Solution

The fourth proportional to 43,751.80, 65,676.30 and 27,130.60 is: 40,726.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,751.80 : 65,676.30 = 27,130.60 : x
  2. Step 2: Convert to fraction form
    43,751.80/65,676.30 = 27,130.60/x
  3. Step 3: Cross multiply
    43,751.80x = 65,676.30 × 27,130.60
  4. Step 4: Simplify right side
    43,751.80x = 1,781,837,424.78
  5. Step 5: Solve for x
    x = 1,781,837,424.78/43,751.80
  6. Step 6: Final answer
    x = 40,726.04

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1.5x scale

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.