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Finding the Fourth Proportional to 18,603.17, 27,904.80 and 4,563.27

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Solution

The fourth proportional to 18,603.17, 27,904.80 and 4,563.27 is: 6,844.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,603.17 : 27,904.80 = 4,563.27 : x
  2. Step 2: Convert to fraction form
    18,603.17/27,904.80 = 4,563.27/x
  3. Step 3: Cross multiply
    18,603.17x = 27,904.80 × 4,563.27
  4. Step 4: Simplify right side
    18,603.17x = 127,337,153.81
  5. Step 5: Solve for x
    x = 127,337,153.81/18,603.17
  6. Step 6: Final answer
    x = 6,844.92

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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.