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Finding the Fourth Proportional to 54,700.88, 74,994.93 and 53,704.48

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Solution

The fourth proportional to 54,700.88, 74,994.93 and 53,704.48 is: 73,628.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,700.88 : 74,994.93 = 53,704.48 : x
  2. Step 2: Convert to fraction form
    54,700.88/74,994.93 = 53,704.48/x
  3. Step 3: Cross multiply
    54,700.88x = 74,994.93 × 53,704.48
  4. Step 4: Simplify right side
    54,700.88x = 4,027,563,718.29
  5. Step 5: Solve for x
    x = 4,027,563,718.29/54,700.88
  6. Step 6: Final answer
    x = 73,628.87

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.