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Finding the Fourth Proportional to 54,374.76, 81,549.18 and 14,928.84

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Solution

The fourth proportional to 54,374.76, 81,549.18 and 14,928.84 is: 22,389.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,374.76 : 81,549.18 = 14,928.84 : x
  2. Step 2: Convert to fraction form
    54,374.76/81,549.18 = 14,928.84/x
  3. Step 3: Cross multiply
    54,374.76x = 81,549.18 × 14,928.84
  4. Step 4: Simplify right side
    54,374.76x = 1,217,434,660.35
  5. Step 5: Solve for x
    x = 1,217,434,660.35/54,374.76
  6. Step 6: Final answer
    x = 22,389.70

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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.