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Finding the Fourth Proportional to 54,877.92, 75,732.96 and 33,644.96

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Solution

The fourth proportional to 54,877.92, 75,732.96 and 33,644.96 is: 46,430.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,877.92 : 75,732.96 = 33,644.96 : x
  2. Step 2: Convert to fraction form
    54,877.92/75,732.96 = 33,644.96/x
  3. Step 3: Cross multiply
    54,877.92x = 75,732.96 × 33,644.96
  4. Step 4: Simplify right side
    54,877.92x = 2,548,032,409.88
  5. Step 5: Solve for x
    x = 2,548,032,409.88/54,877.92
  6. Step 6: Final answer
    x = 46,430.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.