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Finding the Fourth Proportional to 22,958.40, 34,408.90 and 9,795.40

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Solution

The fourth proportional to 22,958.40, 34,408.90 and 9,795.40 is: 14,680.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,958.40 : 34,408.90 = 9,795.40 : x
  2. Step 2: Convert to fraction form
    22,958.40/34,408.90 = 9,795.40/x
  3. Step 3: Cross multiply
    22,958.40x = 34,408.90 × 9,795.40
  4. Step 4: Simplify right side
    22,958.40x = 337,048,939.06
  5. Step 5: Solve for x
    x = 337,048,939.06/22,958.40
  6. Step 6: Final answer
    x = 14,680.85

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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.