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Finding the Fourth Proportional to 18,365.51, 27,548.27 and 4,514.51

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Solution

The fourth proportional to 18,365.51, 27,548.27 and 4,514.51 is: 6,771.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,365.51 : 27,548.27 = 4,514.51 : x
  2. Step 2: Convert to fraction form
    18,365.51/27,548.27 = 4,514.51/x
  3. Step 3: Cross multiply
    18,365.51x = 27,548.27 × 4,514.51
  4. Step 4: Simplify right side
    18,365.51x = 124,366,940.40
  5. Step 5: Solve for x
    x = 124,366,940.40/18,365.51
  6. Step 6: Final answer
    x = 6,771.77

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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.