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Finding the Fourth Proportional to 18,603.02, 25,660.80 and 11,044.22

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Solution

The fourth proportional to 18,603.02, 25,660.80 and 11,044.22 is: 15,234.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,603.02 : 25,660.80 = 11,044.22 : x
  2. Step 2: Convert to fraction form
    18,603.02/25,660.80 = 11,044.22/x
  3. Step 3: Cross multiply
    18,603.02x = 25,660.80 × 11,044.22
  4. Step 4: Simplify right side
    18,603.02x = 283,403,520.58
  5. Step 5: Solve for x
    x = 283,403,520.58/18,603.02
  6. Step 6: Final answer
    x = 15,234.27

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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.