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Finding the Fourth Proportional to 16,998.30, 25,511.85 and 7,652.70

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Solution

The fourth proportional to 16,998.30, 25,511.85 and 7,652.70 is: 11,485.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,998.30 : 25,511.85 = 7,652.70 : x
  2. Step 2: Convert to fraction form
    16,998.30/25,511.85 = 7,652.70/x
  3. Step 3: Cross multiply
    16,998.30x = 25,511.85 × 7,652.70
  4. Step 4: Simplify right side
    16,998.30x = 195,234,534.50
  5. Step 5: Solve for x
    x = 195,234,534.50/16,998.30
  6. Step 6: Final answer
    x = 11,485.53

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1.5x scale

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.