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Finding the Fourth Proportional to 43,711.98, 65,473.20 and 27,076.20

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Solution

The fourth proportional to 43,711.98, 65,473.20 and 27,076.20 is: 40,555.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,711.98 : 65,473.20 = 27,076.20 : x
  2. Step 2: Convert to fraction form
    43,711.98/65,473.20 = 27,076.20/x
  3. Step 3: Cross multiply
    43,711.98x = 65,473.20 × 27,076.20
  4. Step 4: Simplify right side
    43,711.98x = 1,772,765,457.84
  5. Step 5: Solve for x
    x = 1,772,765,457.84/43,711.98
  6. Step 6: Final answer
    x = 40,555.60

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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.