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Finding the Fourth Proportional to 49,642.93, 74,836.33 and 46,343.53

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Solution

The fourth proportional to 49,642.93, 74,836.33 and 46,343.53 is: 69,862.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,642.93 : 74,836.33 = 46,343.53 : x
  2. Step 2: Convert to fraction form
    49,642.93/74,836.33 = 46,343.53/x
  3. Step 3: Cross multiply
    49,642.93x = 74,836.33 × 46,343.53
  4. Step 4: Simplify right side
    49,642.93x = 3,468,179,704.44
  5. Step 5: Solve for x
    x = 3,468,179,704.44/49,642.93
  6. Step 6: Final answer
    x = 69,862.51

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.