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Finding the Fourth Proportional to 40,205.95, 60,309.08 and 16,815.98

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Solution

The fourth proportional to 40,205.95, 60,309.08 and 16,815.98 is: 25,224.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,205.95 : 60,309.08 = 16,815.98 : x
  2. Step 2: Convert to fraction form
    40,205.95/60,309.08 = 16,815.98/x
  3. Step 3: Cross multiply
    40,205.95x = 60,309.08 × 16,815.98
  4. Step 4: Simplify right side
    40,205.95x = 1,014,156,283.10
  5. Step 5: Solve for x
    x = 1,014,156,283.10/40,205.95
  6. Step 6: Final answer
    x = 25,224.03

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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.