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Finding the Fourth Proportional to 35,195.67, 52,776.90 and 20,408.67

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Solution

The fourth proportional to 35,195.67, 52,776.90 and 20,408.67 is: 30,603.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,195.67 : 52,776.90 = 20,408.67 : x
  2. Step 2: Convert to fraction form
    35,195.67/52,776.90 = 20,408.67/x
  3. Step 3: Cross multiply
    35,195.67x = 52,776.90 × 20,408.67
  4. Step 4: Simplify right side
    35,195.67x = 1,077,106,335.72
  5. Step 5: Solve for x
    x = 1,077,106,335.72/35,195.67
  6. Step 6: Final answer
    x = 30,603.38

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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.