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Finding the Fourth Proportional to 55,878.95, 83,819.95 and 16,437.33

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Solution

The fourth proportional to 55,878.95, 83,819.95 and 16,437.33 is: 24,656.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,878.95 : 83,819.95 = 16,437.33 : x
  2. Step 2: Convert to fraction form
    55,878.95/83,819.95 = 16,437.33/x
  3. Step 3: Cross multiply
    55,878.95x = 83,819.95 × 16,437.33
  4. Step 4: Simplify right side
    55,878.95x = 1,377,776,137.64
  5. Step 5: Solve for x
    x = 1,377,776,137.64/55,878.95
  6. Step 6: Final answer
    x = 24,656.44

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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.