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Finding the Fourth Proportional to 35,676.92, 53,515.91 and 16,958.88

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Solution

The fourth proportional to 35,676.92, 53,515.91 and 16,958.88 is: 25,438.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,676.92 : 53,515.91 = 16,958.88 : x
  2. Step 2: Convert to fraction form
    35,676.92/53,515.91 = 16,958.88/x
  3. Step 3: Cross multiply
    35,676.92x = 53,515.91 × 16,958.88
  4. Step 4: Simplify right side
    35,676.92x = 907,569,895.78
  5. Step 5: Solve for x
    x = 907,569,895.78/35,676.92
  6. Step 6: Final answer
    x = 25,438.57

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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.