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Finding the Fourth Proportional to 18,289.99, 27,471.44 and 17,258.41

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Solution

The fourth proportional to 18,289.99, 27,471.44 and 17,258.41 is: 25,922.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,289.99 : 27,471.44 = 17,258.41 : x
  2. Step 2: Convert to fraction form
    18,289.99/27,471.44 = 17,258.41/x
  3. Step 3: Cross multiply
    18,289.99x = 27,471.44 × 17,258.41
  4. Step 4: Simplify right side
    18,289.99x = 474,113,374.81
  5. Step 5: Solve for x
    x = 474,113,374.81/18,289.99
  6. Step 6: Final answer
    x = 25,922.01

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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.