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Finding the Fourth Proportional to 18,058.26, 27,078.84 and 10,563.99

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Solution

The fourth proportional to 18,058.26, 27,078.84 and 10,563.99 is: 15,840.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,058.26 : 27,078.84 = 10,563.99 : x
  2. Step 2: Convert to fraction form
    18,058.26/27,078.84 = 10,563.99/x
  3. Step 3: Cross multiply
    18,058.26x = 27,078.84 × 10,563.99
  4. Step 4: Simplify right side
    18,058.26x = 286,060,594.97
  5. Step 5: Solve for x
    x = 286,060,594.97/18,058.26
  6. Step 6: Final answer
    x = 15,840.98

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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.