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Finding the Fourth Proportional to 5,898.80, 8,136.04 and 4,082.48

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Solution

The fourth proportional to 5,898.80, 8,136.04 and 4,082.48 is: 5,630.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,898.80 : 8,136.04 = 4,082.48 : x
  2. Step 2: Convert to fraction form
    5,898.80/8,136.04 = 4,082.48/x
  3. Step 3: Cross multiply
    5,898.80x = 8,136.04 × 4,082.48
  4. Step 4: Simplify right side
    5,898.80x = 33,215,220.58
  5. Step 5: Solve for x
    x = 33,215,220.58/5,898.80
  6. Step 6: Final answer
    x = 5,630.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.