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Finding the Fourth Proportional to 5,792.18, 8,689.50 and 1,896.30

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Solution

The fourth proportional to 5,792.18, 8,689.50 and 1,896.30 is: 2,844.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,792.18 : 8,689.50 = 1,896.30 : x
  2. Step 2: Convert to fraction form
    5,792.18/8,689.50 = 1,896.30/x
  3. Step 3: Cross multiply
    5,792.18x = 8,689.50 × 1,896.30
  4. Step 4: Simplify right side
    5,792.18x = 16,477,898.85
  5. Step 5: Solve for x
    x = 16,477,898.85/5,792.18
  6. Step 6: Final answer
    x = 2,844.85

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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.