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Finding the Fourth Proportional to 5,871.18, 8,806.89 and 2,406.30

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Solution

The fourth proportional to 5,871.18, 8,806.89 and 2,406.30 is: 3,609.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.18 : 8,806.89 = 2,406.30 : x
  2. Step 2: Convert to fraction form
    5,871.18/8,806.89 = 2,406.30/x
  3. Step 3: Cross multiply
    5,871.18x = 8,806.89 × 2,406.30
  4. Step 4: Simplify right side
    5,871.18x = 21,192,019.41
  5. Step 5: Solve for x
    x = 21,192,019.41/5,871.18
  6. Step 6: Final answer
    x = 3,609.50

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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.