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Finding the Fourth Proportional to 24,587.80, 36,795.30 and 16,811.80

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Solution

The fourth proportional to 24,587.80, 36,795.30 and 16,811.80 is: 25,158.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,587.80 : 36,795.30 = 16,811.80 : x
  2. Step 2: Convert to fraction form
    24,587.80/36,795.30 = 16,811.80/x
  3. Step 3: Cross multiply
    24,587.80x = 36,795.30 × 16,811.80
  4. Step 4: Simplify right side
    24,587.80x = 618,595,224.54
  5. Step 5: Solve for x
    x = 618,595,224.54/24,587.80
  6. Step 6: Final answer
    x = 25,158.62

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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.