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Finding the Fourth Proportional to 26,766.70, 40,157.36 and 9,239.11

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Solution

The fourth proportional to 26,766.70, 40,157.36 and 9,239.11 is: 13,861.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,766.70 : 40,157.36 = 9,239.11 : x
  2. Step 2: Convert to fraction form
    26,766.70/40,157.36 = 9,239.11/x
  3. Step 3: Cross multiply
    26,766.70x = 40,157.36 × 9,239.11
  4. Step 4: Simplify right side
    26,766.70x = 371,018,266.35
  5. Step 5: Solve for x
    x = 371,018,266.35/26,766.70
  6. Step 6: Final answer
    x = 13,861.19

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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.