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Finding the Fourth Proportional to 35,861.52, 53,798.52 and 13,676.88

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Solution

The fourth proportional to 35,861.52, 53,798.52 and 13,676.88 is: 20,517.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,861.52 : 53,798.52 = 13,676.88 : x
  2. Step 2: Convert to fraction form
    35,861.52/53,798.52 = 13,676.88/x
  3. Step 3: Cross multiply
    35,861.52x = 53,798.52 × 13,676.88
  4. Step 4: Simplify right side
    35,861.52x = 735,795,902.22
  5. Step 5: Solve for x
    x = 735,795,902.22/35,861.52
  6. Step 6: Final answer
    x = 20,517.70

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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.