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Finding the Fourth Proportional to 53,578.55, 73,935.83 and 29,378.99

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Solution

The fourth proportional to 53,578.55, 73,935.83 and 29,378.99 is: 40,541.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,578.55 : 73,935.83 = 29,378.99 : x
  2. Step 2: Convert to fraction form
    53,578.55/73,935.83 = 29,378.99/x
  3. Step 3: Cross multiply
    53,578.55x = 73,935.83 × 29,378.99
  4. Step 4: Simplify right side
    53,578.55x = 2,172,159,493.64
  5. Step 5: Solve for x
    x = 2,172,159,493.64/53,578.55
  6. Step 6: Final answer
    x = 40,541.59

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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.