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Finding the Fourth Proportional to 53,431.96, 73,736.82 and 33,296.98

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Solution

The fourth proportional to 53,431.96, 73,736.82 and 33,296.98 is: 45,950.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,431.96 : 73,736.82 = 33,296.98 : x
  2. Step 2: Convert to fraction form
    53,431.96/73,736.82 = 33,296.98/x
  3. Step 3: Cross multiply
    53,431.96x = 73,736.82 × 33,296.98
  4. Step 4: Simplify right side
    53,431.96x = 2,455,213,420.80
  5. Step 5: Solve for x
    x = 2,455,213,420.80/53,431.96
  6. Step 6: Final answer
    x = 45,950.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.