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Finding the Fourth Proportional to 18,047.15, 27,052.55 and 7,523.00

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Solution

The fourth proportional to 18,047.15, 27,052.55 and 7,523.00 is: 11,276.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,047.15 : 27,052.55 = 7,523.00 : x
  2. Step 2: Convert to fraction form
    18,047.15/27,052.55 = 7,523.00/x
  3. Step 3: Cross multiply
    18,047.15x = 27,052.55 × 7,523.00
  4. Step 4: Simplify right side
    18,047.15x = 203,516,260.87
  5. Step 5: Solve for x
    x = 203,516,260.87/18,047.15
  6. Step 6: Final answer
    x = 11,276.92

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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.