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Finding the Fourth Proportional to 26,408.50, 36,431.50 and 23,386.70

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Solution

The fourth proportional to 26,408.50, 36,431.50 and 23,386.70 is: 32,262.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,408.50 : 36,431.50 = 23,386.70 : x
  2. Step 2: Convert to fraction form
    26,408.50/36,431.50 = 23,386.70/x
  3. Step 3: Cross multiply
    26,408.50x = 36,431.50 × 23,386.70
  4. Step 4: Simplify right side
    26,408.50x = 852,012,561.05
  5. Step 5: Solve for x
    x = 852,012,561.05/26,408.50
  6. Step 6: Final answer
    x = 32,262.82

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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.