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Finding the Fourth Proportional to 54,401.84, 81,605.82 and 14,958.08

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Solution

The fourth proportional to 54,401.84, 81,605.82 and 14,958.08 is: 22,437.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,401.84 : 81,605.82 = 14,958.08 : x
  2. Step 2: Convert to fraction form
    54,401.84/81,605.82 = 14,958.08/x
  3. Step 3: Cross multiply
    54,401.84x = 81,605.82 × 14,958.08
  4. Step 4: Simplify right side
    54,401.84x = 1,220,666,384.03
  5. Step 5: Solve for x
    x = 1,220,666,384.03/54,401.84
  6. Step 6: Final answer
    x = 22,437.96

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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.