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Finding the Fourth Proportional to 18,548.08, 27,813.04 and 9,177.28

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Solution

The fourth proportional to 18,548.08, 27,813.04 and 9,177.28 is: 13,761.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,548.08 : 27,813.04 = 9,177.28 : x
  2. Step 2: Convert to fraction form
    18,548.08/27,813.04 = 9,177.28/x
  3. Step 3: Cross multiply
    18,548.08x = 27,813.04 × 9,177.28
  4. Step 4: Simplify right side
    18,548.08x = 255,248,055.73
  5. Step 5: Solve for x
    x = 255,248,055.73/18,548.08
  6. Step 6: Final answer
    x = 13,761.43

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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.