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Finding the Fourth Proportional to 18,058.54, 27,141.27 and 17,567.68

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Solution

The fourth proportional to 18,058.54, 27,141.27 and 17,567.68 is: 26,403.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,058.54 : 27,141.27 = 17,567.68 : x
  2. Step 2: Convert to fraction form
    18,058.54/27,141.27 = 17,567.68/x
  3. Step 3: Cross multiply
    18,058.54x = 27,141.27 × 17,567.68
  4. Step 4: Simplify right side
    18,058.54x = 476,809,146.15
  5. Step 5: Solve for x
    x = 476,809,146.15/18,058.54
  6. Step 6: Final answer
    x = 26,403.53

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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.