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Finding the Fourth Proportional to 5,859.50, 8,790.69 and 1,755.50

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Solution

The fourth proportional to 5,859.50, 8,790.69 and 1,755.50 is: 2,633.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,859.50 : 8,790.69 = 1,755.50 : x
  2. Step 2: Convert to fraction form
    5,859.50/8,790.69 = 1,755.50/x
  3. Step 3: Cross multiply
    5,859.50x = 8,790.69 × 1,755.50
  4. Step 4: Simplify right side
    5,859.50x = 15,432,056.30
  5. Step 5: Solve for x
    x = 15,432,056.30/5,859.50
  6. Step 6: Final answer
    x = 2,633.68

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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.