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Finding the Fourth Proportional to 54,323.76, 81,476.19 and 14,871.45

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Solution

The fourth proportional to 54,323.76, 81,476.19 and 14,871.45 is: 22,304.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,323.76 : 81,476.19 = 14,871.45 : x
  2. Step 2: Convert to fraction form
    54,323.76/81,476.19 = 14,871.45/x
  3. Step 3: Cross multiply
    54,323.76x = 81,476.19 × 14,871.45
  4. Step 4: Simplify right side
    54,323.76x = 1,211,669,085.78
  5. Step 5: Solve for x
    x = 1,211,669,085.78/54,323.76
  6. Step 6: Final answer
    x = 22,304.59

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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.