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Finding the Fourth Proportional to 26,396.91, 39,601.29 and 8,866.28

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Solution

The fourth proportional to 26,396.91, 39,601.29 and 8,866.28 is: 13,301.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,396.91 : 39,601.29 = 8,866.28 : x
  2. Step 2: Convert to fraction form
    26,396.91/39,601.29 = 8,866.28/x
  3. Step 3: Cross multiply
    26,396.91x = 39,601.29 × 8,866.28
  4. Step 4: Simplify right side
    26,396.91x = 351,116,125.50
  5. Step 5: Solve for x
    x = 351,116,125.50/26,396.91
  6. Step 6: Final answer
    x = 13,301.41

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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.