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Finding the Fourth Proportional to 35,883.90, 53,819.64 and 10,917.90

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Solution

The fourth proportional to 35,883.90, 53,819.64 and 10,917.90 is: 16,374.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,883.90 : 53,819.64 = 10,917.90 : x
  2. Step 2: Convert to fraction form
    35,883.90/53,819.64 = 10,917.90/x
  3. Step 3: Cross multiply
    35,883.90x = 53,819.64 × 10,917.90
  4. Step 4: Simplify right side
    35,883.90x = 587,597,447.56
  5. Step 5: Solve for x
    x = 587,597,447.56/35,883.90
  6. Step 6: Final answer
    x = 16,374.96

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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.