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Finding the Fourth Proportional to 18,058.96, 27,089.16 and 6,370.48

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Solution

The fourth proportional to 18,058.96, 27,089.16 and 6,370.48 is: 9,555.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,058.96 : 27,089.16 = 6,370.48 : x
  2. Step 2: Convert to fraction form
    18,058.96/27,089.16 = 6,370.48/x
  3. Step 3: Cross multiply
    18,058.96x = 27,089.16 × 6,370.48
  4. Step 4: Simplify right side
    18,058.96x = 172,570,952.00
  5. Step 5: Solve for x
    x = 172,570,952.00/18,058.96
  6. Step 6: Final answer
    x = 9,555.97

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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.