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Finding the Fourth Proportional to 26,393.37, 39,593.70 and 8,868.21

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Solution

The fourth proportional to 26,393.37, 39,593.70 and 8,868.21 is: 13,303.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,393.37 : 39,593.70 = 8,868.21 : x
  2. Step 2: Convert to fraction form
    26,393.37/39,593.70 = 8,868.21/x
  3. Step 3: Cross multiply
    26,393.37x = 39,593.70 × 8,868.21
  4. Step 4: Simplify right side
    26,393.37x = 351,125,246.28
  5. Step 5: Solve for x
    x = 351,125,246.28/26,393.37
  6. Step 6: Final answer
    x = 13,303.54

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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.