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Finding the Fourth Proportional to 18,603.09, 27,904.05 and 4,563.18

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Solution

The fourth proportional to 18,603.09, 27,904.05 and 4,563.18 is: 6,844.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,603.09 : 27,904.05 = 4,563.18 : x
  2. Step 2: Convert to fraction form
    18,603.09/27,904.05 = 4,563.18/x
  3. Step 3: Cross multiply
    18,603.09x = 27,904.05 × 4,563.18
  4. Step 4: Simplify right side
    18,603.09x = 127,331,202.88
  5. Step 5: Solve for x
    x = 127,331,202.88/18,603.09
  6. Step 6: Final answer
    x = 6,844.63

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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.