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Finding the Fourth Proportional to 32,395.44, 44,716.80 and 20,140.48

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Solution

The fourth proportional to 32,395.44, 44,716.80 and 20,140.48 is: 27,800.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,395.44 : 44,716.80 = 20,140.48 : x
  2. Step 2: Convert to fraction form
    32,395.44/44,716.80 = 20,140.48/x
  3. Step 3: Cross multiply
    32,395.44x = 44,716.80 × 20,140.48
  4. Step 4: Simplify right side
    32,395.44x = 900,617,816.06
  5. Step 5: Solve for x
    x = 900,617,816.06/32,395.44
  6. Step 6: Final answer
    x = 27,800.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.