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Finding the Fourth Proportional to 49,959.92, 74,952.72 and 41,090.48

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Solution

The fourth proportional to 49,959.92, 74,952.72 and 41,090.48 is: 61,646.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,959.92 : 74,952.72 = 41,090.48 : x
  2. Step 2: Convert to fraction form
    49,959.92/74,952.72 = 41,090.48/x
  3. Step 3: Cross multiply
    49,959.92x = 74,952.72 × 41,090.48
  4. Step 4: Simplify right side
    49,959.92x = 3,079,843,242.11
  5. Step 5: Solve for x
    x = 3,079,843,242.11/49,959.92
  6. Step 6: Final answer
    x = 61,646.28

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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.