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Finding the Fourth Proportional to 23,640.80, 35,458.80 and 8,058.20

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Solution

The fourth proportional to 23,640.80, 35,458.80 and 8,058.20 is: 12,086.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,640.80 : 35,458.80 = 8,058.20 : x
  2. Step 2: Convert to fraction form
    23,640.80/35,458.80 = 8,058.20/x
  3. Step 3: Cross multiply
    23,640.80x = 35,458.80 × 8,058.20
  4. Step 4: Simplify right side
    23,640.80x = 285,734,102.16
  5. Step 5: Solve for x
    x = 285,734,102.16/23,640.80
  6. Step 6: Final answer
    x = 12,086.48

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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.