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Finding the Fourth Proportional to 49,754.65, 74,629.51 and 18,587.53

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Solution

The fourth proportional to 49,754.65, 74,629.51 and 18,587.53 is: 27,880.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,754.65 : 74,629.51 = 18,587.53 : x
  2. Step 2: Convert to fraction form
    49,754.65/74,629.51 = 18,587.53/x
  3. Step 3: Cross multiply
    49,754.65x = 74,629.51 × 18,587.53
  4. Step 4: Simplify right side
    49,754.65x = 1,387,178,256.01
  5. Step 5: Solve for x
    x = 1,387,178,256.01/49,754.65
  6. Step 6: Final answer
    x = 27,880.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.