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Finding the Fourth Proportional to 53,578.60, 73,957.59 and 36,570.66

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Solution

The fourth proportional to 53,578.60, 73,957.59 and 36,570.66 is: 50,480.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,578.60 : 73,957.59 = 36,570.66 : x
  2. Step 2: Convert to fraction form
    53,578.60/73,957.59 = 36,570.66/x
  3. Step 3: Cross multiply
    53,578.60x = 73,957.59 × 36,570.66
  4. Step 4: Simplify right side
    53,578.60x = 2,704,677,561.54
  5. Step 5: Solve for x
    x = 2,704,677,561.54/53,578.60
  6. Step 6: Final answer
    x = 50,480.56

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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.