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Finding the Fourth Proportional to 43,745.40, 65,618.10 and 27,051.30

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Solution

The fourth proportional to 43,745.40, 65,618.10 and 27,051.30 is: 40,576.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,745.40 : 65,618.10 = 27,051.30 : x
  2. Step 2: Convert to fraction form
    43,745.40/65,618.10 = 27,051.30/x
  3. Step 3: Cross multiply
    43,745.40x = 65,618.10 × 27,051.30
  4. Step 4: Simplify right side
    43,745.40x = 1,775,054,908.53
  5. Step 5: Solve for x
    x = 1,775,054,908.53/43,745.40
  6. Step 6: Final answer
    x = 40,576.95

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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.