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Finding the Fourth Proportional to 55,010.80, 75,806.04 and 39,050.56

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Solution

The fourth proportional to 55,010.80, 75,806.04 and 39,050.56 is: 53,812.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,010.80 : 75,806.04 = 39,050.56 : x
  2. Step 2: Convert to fraction form
    55,010.80/75,806.04 = 39,050.56/x
  3. Step 3: Cross multiply
    55,010.80x = 75,806.04 × 39,050.56
  4. Step 4: Simplify right side
    55,010.80x = 2,960,268,313.38
  5. Step 5: Solve for x
    x = 2,960,268,313.38/55,010.80
  6. Step 6: Final answer
    x = 53,812.49

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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.