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Finding the Fourth Proportional to 48,627.93, 72,974.72 and 19,042.08

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Solution

The fourth proportional to 48,627.93, 72,974.72 and 19,042.08 is: 28,575.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,627.93 : 72,974.72 = 19,042.08 : x
  2. Step 2: Convert to fraction form
    48,627.93/72,974.72 = 19,042.08/x
  3. Step 3: Cross multiply
    48,627.93x = 72,974.72 × 19,042.08
  4. Step 4: Simplify right side
    48,627.93x = 1,389,590,456.22
  5. Step 5: Solve for x
    x = 1,389,590,456.22/48,627.93
  6. Step 6: Final answer
    x = 28,575.97

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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.