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Finding the Fourth Proportional to 53,356.70, 73,642.43 and 35,175.51

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Solution

The fourth proportional to 53,356.70, 73,642.43 and 35,175.51 is: 48,548.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,356.70 : 73,642.43 = 35,175.51 : x
  2. Step 2: Convert to fraction form
    53,356.70/73,642.43 = 35,175.51/x
  3. Step 3: Cross multiply
    53,356.70x = 73,642.43 × 35,175.51
  4. Step 4: Simplify right side
    53,356.70x = 2,590,410,120.83
  5. Step 5: Solve for x
    x = 2,590,410,120.83/53,356.70
  6. Step 6: Final answer
    x = 48,548.92

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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.