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Finding the Fourth Proportional to 54,773.65, 75,587.64 and 29,623.15

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Solution

The fourth proportional to 54,773.65, 75,587.64 and 29,623.15 is: 40,879.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,773.65 : 75,587.64 = 29,623.15 : x
  2. Step 2: Convert to fraction form
    54,773.65/75,587.64 = 29,623.15/x
  3. Step 3: Cross multiply
    54,773.65x = 75,587.64 × 29,623.15
  4. Step 4: Simplify right side
    54,773.65x = 2,239,143,997.87
  5. Step 5: Solve for x
    x = 2,239,143,997.87/54,773.65
  6. Step 6: Final answer
    x = 40,879.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.