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Finding the Fourth Proportional to 32,471.70, 44,811.54 and 18,321.81

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Solution

The fourth proportional to 32,471.70, 44,811.54 and 18,321.81 is: 25,284.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,471.70 : 44,811.54 = 18,321.81 : x
  2. Step 2: Convert to fraction form
    32,471.70/44,811.54 = 18,321.81/x
  3. Step 3: Cross multiply
    32,471.70x = 44,811.54 × 18,321.81
  4. Step 4: Simplify right side
    32,471.70x = 821,028,521.69
  5. Step 5: Solve for x
    x = 821,028,521.69/32,471.70
  6. Step 6: Final answer
    x = 25,284.43

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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.