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Finding the Fourth Proportional to 18,027.66, 24,873.57 and 10,954.20

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Solution

The fourth proportional to 18,027.66, 24,873.57 and 10,954.20 is: 15,114.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,027.66 : 24,873.57 = 10,954.20 : x
  2. Step 2: Convert to fraction form
    18,027.66/24,873.57 = 10,954.20/x
  3. Step 3: Cross multiply
    18,027.66x = 24,873.57 × 10,954.20
  4. Step 4: Simplify right side
    18,027.66x = 272,470,060.49
  5. Step 5: Solve for x
    x = 272,470,060.49/18,027.66
  6. Step 6: Final answer
    x = 15,114.00

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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.