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Finding the Fourth Proportional to 15,602.82, 23,399.46 and 8,203.20

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Solution

The fourth proportional to 15,602.82, 23,399.46 and 8,203.20 is: 12,302.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,602.82 : 23,399.46 = 8,203.20 : x
  2. Step 2: Convert to fraction form
    15,602.82/23,399.46 = 8,203.20/x
  3. Step 3: Cross multiply
    15,602.82x = 23,399.46 × 8,203.20
  4. Step 4: Simplify right side
    15,602.82x = 191,950,450.27
  5. Step 5: Solve for x
    x = 191,950,450.27/15,602.82
  6. Step 6: Final answer
    x = 12,302.29

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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.