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Finding the Fourth Proportional to 35,905.35, 53,857.99 and 9,609.42

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Solution

The fourth proportional to 35,905.35, 53,857.99 and 9,609.42 is: 14,414.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,905.35 : 53,857.99 = 9,609.42 : x
  2. Step 2: Convert to fraction form
    35,905.35/53,857.99 = 9,609.42/x
  3. Step 3: Cross multiply
    35,905.35x = 53,857.99 × 9,609.42
  4. Step 4: Simplify right side
    35,905.35x = 517,544,046.27
  5. Step 5: Solve for x
    x = 517,544,046.27/35,905.35
  6. Step 6: Final answer
    x = 14,414.12

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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.