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Finding the Fourth Proportional to 5,877.28, 8,808.18 and 2,756.80

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Solution

The fourth proportional to 5,877.28, 8,808.18 and 2,756.80 is: 4,131.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877.28 : 8,808.18 = 2,756.80 : x
  2. Step 2: Convert to fraction form
    5,877.28/8,808.18 = 2,756.80/x
  3. Step 3: Cross multiply
    5,877.28x = 8,808.18 × 2,756.80
  4. Step 4: Simplify right side
    5,877.28x = 24,282,390.62
  5. Step 5: Solve for x
    x = 24,282,390.62/5,877.28
  6. Step 6: Final answer
    x = 4,131.57

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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.