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Finding the Fourth Proportional to 18,053.91, 27,058.32 and 8,692.20

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Solution

The fourth proportional to 18,053.91, 27,058.32 and 8,692.20 is: 13,027.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,053.91 : 27,058.32 = 8,692.20 : x
  2. Step 2: Convert to fraction form
    18,053.91/27,058.32 = 8,692.20/x
  3. Step 3: Cross multiply
    18,053.91x = 27,058.32 × 8,692.20
  4. Step 4: Simplify right side
    18,053.91x = 235,196,329.10
  5. Step 5: Solve for x
    x = 235,196,329.10/18,053.91
  6. Step 6: Final answer
    x = 13,027.45

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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.