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Finding the Fourth Proportional to 5,899.91, 8,148.20 and 3,667.08

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Solution

The fourth proportional to 5,899.91, 8,148.20 and 3,667.08 is: 5,064.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,899.91 : 8,148.20 = 3,667.08 : x
  2. Step 2: Convert to fraction form
    5,899.91/8,148.20 = 3,667.08/x
  3. Step 3: Cross multiply
    5,899.91x = 8,148.20 × 3,667.08
  4. Step 4: Simplify right side
    5,899.91x = 29,880,082.92
  5. Step 5: Solve for x
    x = 29,880,082.92/5,899.91
  6. Step 6: Final answer
    x = 5,064.50

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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.