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Finding the Fourth Proportional to 43,807.80, 65,760.30 and 27,186.60

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Solution

The fourth proportional to 43,807.80, 65,760.30 and 27,186.60 is: 40,810.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,807.80 : 65,760.30 = 27,186.60 : x
  2. Step 2: Convert to fraction form
    43,807.80/65,760.30 = 27,186.60/x
  3. Step 3: Cross multiply
    43,807.80x = 65,760.30 × 27,186.60
  4. Step 4: Simplify right side
    43,807.80x = 1,787,798,971.98
  5. Step 5: Solve for x
    x = 1,787,798,971.98/43,807.80
  6. Step 6: Final answer
    x = 40,810.06

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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.