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Finding the Fourth Proportional to 26,802.40, 40,203.60 and 8,082.44

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Solution

The fourth proportional to 26,802.40, 40,203.60 and 8,082.44 is: 12,123.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,802.40 : 40,203.60 = 8,082.44 : x
  2. Step 2: Convert to fraction form
    26,802.40/40,203.60 = 8,082.44/x
  3. Step 3: Cross multiply
    26,802.40x = 40,203.60 × 8,082.44
  4. Step 4: Simplify right side
    26,802.40x = 324,943,184.78
  5. Step 5: Solve for x
    x = 324,943,184.78/26,802.40
  6. Step 6: Final answer
    x = 12,123.66

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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.