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Finding the Fourth Proportional to 49,726.93, 74,594.49 and 21,647.92

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Solution

The fourth proportional to 49,726.93, 74,594.49 and 21,647.92 is: 32,473.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,726.93 : 74,594.49 = 21,647.92 : x
  2. Step 2: Convert to fraction form
    49,726.93/74,594.49 = 21,647.92/x
  3. Step 3: Cross multiply
    49,726.93x = 74,594.49 × 21,647.92
  4. Step 4: Simplify right side
    49,726.93x = 1,614,815,551.96
  5. Step 5: Solve for x
    x = 1,614,815,551.96/49,726.93
  6. Step 6: Final answer
    x = 32,473.66

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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.