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Finding the Fourth Proportional to 5,986.26, 8,263.99 and 4,638.89

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Solution

The fourth proportional to 5,986.26, 8,263.99 and 4,638.89 is: 6,403.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,986.26 : 8,263.99 = 4,638.89 : x
  2. Step 2: Convert to fraction form
    5,986.26/8,263.99 = 4,638.89/x
  3. Step 3: Cross multiply
    5,986.26x = 8,263.99 × 4,638.89
  4. Step 4: Simplify right side
    5,986.26x = 38,335,740.57
  5. Step 5: Solve for x
    x = 38,335,740.57/5,986.26
  6. Step 6: Final answer
    x = 6,403.96

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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.