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Finding the Fourth Proportional to 54,841.76, 82,262.89 and 16,890.58

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Solution

The fourth proportional to 54,841.76, 82,262.89 and 16,890.58 is: 25,335.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,841.76 : 82,262.89 = 16,890.58 : x
  2. Step 2: Convert to fraction form
    54,841.76/82,262.89 = 16,890.58/x
  3. Step 3: Cross multiply
    54,841.76x = 82,262.89 × 16,890.58
  4. Step 4: Simplify right side
    54,841.76x = 1,389,467,585.79
  5. Step 5: Solve for x
    x = 1,389,467,585.79/54,841.76
  6. Step 6: Final answer
    x = 25,335.94

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1.5x scale

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.