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Finding the Fourth Proportional to 54,409.71, 81,605.15 and 14,957.45

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Solution

The fourth proportional to 54,409.71, 81,605.15 and 14,957.45 is: 22,433.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,409.71 : 81,605.15 = 14,957.45 : x
  2. Step 2: Convert to fraction form
    54,409.71/81,605.15 = 14,957.45/x
  3. Step 3: Cross multiply
    54,409.71x = 81,605.15 × 14,957.45
  4. Step 4: Simplify right side
    54,409.71x = 1,220,604,950.87
  5. Step 5: Solve for x
    x = 1,220,604,950.87/54,409.71
  6. Step 6: Final answer
    x = 22,433.59

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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.