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Finding the Fourth Proportional to 53,602.22, 73,965.82 and 29,728.37

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Solution

The fourth proportional to 53,602.22, 73,965.82 and 29,728.37 is: 41,022.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,602.22 : 73,965.82 = 29,728.37 : x
  2. Step 2: Convert to fraction form
    53,602.22/73,965.82 = 29,728.37/x
  3. Step 3: Cross multiply
    53,602.22x = 73,965.82 × 29,728.37
  4. Step 4: Simplify right side
    53,602.22x = 2,198,883,264.31
  5. Step 5: Solve for x
    x = 2,198,883,264.31/53,602.22
  6. Step 6: Final answer
    x = 41,022.24

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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.