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Finding the Fourth Proportional to 55,478.88, 83,205.90 and 16,027.20

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Solution

The fourth proportional to 55,478.88, 83,205.90 and 16,027.20 is: 24,037.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,478.88 : 83,205.90 = 16,027.20 : x
  2. Step 2: Convert to fraction form
    55,478.88/83,205.90 = 16,027.20/x
  3. Step 3: Cross multiply
    55,478.88x = 83,205.90 × 16,027.20
  4. Step 4: Simplify right side
    55,478.88x = 1,333,557,600.48
  5. Step 5: Solve for x
    x = 1,333,557,600.48/55,478.88
  6. Step 6: Final answer
    x = 24,037.21

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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.