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Finding the Fourth Proportional to 13,082.94, 18,058.41 and 8,893.62

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Solution

The fourth proportional to 13,082.94, 18,058.41 and 8,893.62 is: 12,275.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082.94 : 18,058.41 = 8,893.62 : x
  2. Step 2: Convert to fraction form
    13,082.94/18,058.41 = 8,893.62/x
  3. Step 3: Cross multiply
    13,082.94x = 18,058.41 × 8,893.62
  4. Step 4: Simplify right side
    13,082.94x = 160,604,636.34
  5. Step 5: Solve for x
    x = 160,604,636.34/13,082.94
  6. Step 6: Final answer
    x = 12,275.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.