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Finding the Fourth Proportional to 54,677.97, 82,016.96 and 13,124.97

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Solution

The fourth proportional to 54,677.97, 82,016.96 and 13,124.97 is: 19,687.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,677.97 : 82,016.96 = 13,124.97 : x
  2. Step 2: Convert to fraction form
    54,677.97/82,016.96 = 13,124.97/x
  3. Step 3: Cross multiply
    54,677.97x = 82,016.96 × 13,124.97
  4. Step 4: Simplify right side
    54,677.97x = 1,076,470,123.08
  5. Step 5: Solve for x
    x = 1,076,470,123.08/54,677.97
  6. Step 6: Final answer
    x = 19,687.46

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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.