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Finding the Fourth Proportional to 54,060.70, 81,098.80 and 16,623.91

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Solution

The fourth proportional to 54,060.70, 81,098.80 and 16,623.91 is: 24,938.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,060.70 : 81,098.80 = 16,623.91 : x
  2. Step 2: Convert to fraction form
    54,060.70/81,098.80 = 16,623.91/x
  3. Step 3: Cross multiply
    54,060.70x = 81,098.80 × 16,623.91
  4. Step 4: Simplify right side
    54,060.70x = 1,348,179,152.31
  5. Step 5: Solve for x
    x = 1,348,179,152.31/54,060.70
  6. Step 6: Final answer
    x = 24,938.25

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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.