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Finding the Fourth Proportional to 5,928.89, 8,871.11 and 3,677.99

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Solution

The fourth proportional to 5,928.89, 8,871.11 and 3,677.99 is: 5,503.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,928.89 : 8,871.11 = 3,677.99 : x
  2. Step 2: Convert to fraction form
    5,928.89/8,871.11 = 3,677.99/x
  3. Step 3: Cross multiply
    5,928.89x = 8,871.11 × 3,677.99
  4. Step 4: Simplify right side
    5,928.89x = 32,627,818.71
  5. Step 5: Solve for x
    x = 32,627,818.71/5,928.89
  6. Step 6: Final answer
    x = 5,503.20

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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.