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Finding the Fourth Proportional to 45,999.15, 68,957.15 and 16,409.95

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Solution

The fourth proportional to 45,999.15, 68,957.15 and 16,409.95 is: 24,600.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,999.15 : 68,957.15 = 16,409.95 : x
  2. Step 2: Convert to fraction form
    45,999.15/68,957.15 = 16,409.95/x
  3. Step 3: Cross multiply
    45,999.15x = 68,957.15 × 16,409.95
  4. Step 4: Simplify right side
    45,999.15x = 1,131,583,383.64
  5. Step 5: Solve for x
    x = 1,131,583,383.64/45,999.15
  6. Step 6: Final answer
    x = 24,600.09

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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.