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Finding the Fourth Proportional to 54,996.72, 75,896.55 and 35,888.72

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Solution

The fourth proportional to 54,996.72, 75,896.55 and 35,888.72 is: 49,527.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,996.72 : 75,896.55 = 35,888.72 : x
  2. Step 2: Convert to fraction form
    54,996.72/75,896.55 = 35,888.72/x
  3. Step 3: Cross multiply
    54,996.72x = 75,896.55 × 35,888.72
  4. Step 4: Simplify right side
    54,996.72x = 2,723,830,288.95
  5. Step 5: Solve for x
    x = 2,723,830,288.95/54,996.72
  6. Step 6: Final answer
    x = 49,527.14

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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.